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Finding the Fourth Proportional to 647,249.13, 893,204.78 and 360,763.07

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Solution

The fourth proportional to 647,249.13, 893,204.78 and 360,763.07 is: 497,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,249.13 : 893,204.78 = 360,763.07 : x
  2. Step 2: Convert to fraction form
    647,249.13/893,204.78 = 360,763.07/x
  3. Step 3: Cross multiply
    647,249.13x = 893,204.78 × 360,763.07
  4. Step 4: Simplify right side
    647,249.13x = 322,235,292,301.64
  5. Step 5: Solve for x
    x = 322,235,292,301.64/647,249.13
  6. Step 6: Final answer
    x = 497,853.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.