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Finding the Fourth Proportional to 504,010.05, 756,015.08 and 378,038.85

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Solution

The fourth proportional to 504,010.05, 756,015.08 and 378,038.85 is: 567,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.05 : 756,015.08 = 378,038.85 : x
  2. Step 2: Convert to fraction form
    504,010.05/756,015.08 = 378,038.85/x
  3. Step 3: Cross multiply
    504,010.05x = 756,015.08 × 378,038.85
  4. Step 4: Simplify right side
    504,010.05x = 285,803,069,535.66
  5. Step 5: Solve for x
    x = 285,803,069,535.66/504,010.05
  6. Step 6: Final answer
    x = 567,058.28

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.