Home / 787,402.10-1,086,614.61-429,706.10

Finding the Fourth Proportional to 787,402.10, 1,086,614.61 and 429,706.10

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Solution

The fourth proportional to 787,402.10, 1,086,614.61 and 429,706.10 is: 592,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,402.10 : 1,086,614.61 = 429,706.10 : x
  2. Step 2: Convert to fraction form
    787,402.10/1,086,614.61 = 429,706.10/x
  3. Step 3: Cross multiply
    787,402.10x = 1,086,614.61 × 429,706.10
  4. Step 4: Simplify right side
    787,402.10x = 466,924,926,266.12
  5. Step 5: Solve for x
    x = 466,924,926,266.12/787,402.10
  6. Step 6: Final answer
    x = 592,994.26

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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.