Home / 787,404.10-1,086,617.37-429,708.10

Finding the Fourth Proportional to 787,404.10, 1,086,617.37 and 429,708.10

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Solution

The fourth proportional to 787,404.10, 1,086,617.37 and 429,708.10 is: 592,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,404.10 : 1,086,617.37 = 429,708.10 : x
  2. Step 2: Convert to fraction form
    787,404.10/1,086,617.37 = 429,708.10/x
  3. Step 3: Cross multiply
    787,404.10x = 1,086,617.37 × 429,708.10
  4. Step 4: Simplify right side
    787,404.10x = 466,928,285,489.70
  5. Step 5: Solve for x
    x = 466,928,285,489.70/787,404.10
  6. Step 6: Final answer
    x = 592,997.02

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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.