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Finding the Fourth Proportional to 504,010.10, 756,015.15 and 492,346.10

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Solution

The fourth proportional to 504,010.10, 756,015.15 and 492,346.10 is: 738,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.10 : 756,015.15 = 492,346.10 : x
  2. Step 2: Convert to fraction form
    504,010.10/756,015.15 = 492,346.10/x
  3. Step 3: Cross multiply
    504,010.10x = 756,015.15 × 492,346.10
  4. Step 4: Simplify right side
    504,010.10x = 372,221,110,643.42
  5. Step 5: Solve for x
    x = 372,221,110,643.42/504,010.10
  6. Step 6: Final answer
    x = 738,519.15

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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.