Home / 731,423.12-1,008,957.46-425,465.08

Finding the Fourth Proportional to 731,423.12, 1,008,957.46 and 425,465.08

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Solution

The fourth proportional to 731,423.12, 1,008,957.46 and 425,465.08 is: 586,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,423.12 : 1,008,957.46 = 425,465.08 : x
  2. Step 2: Convert to fraction form
    731,423.12/1,008,957.46 = 425,465.08/x
  3. Step 3: Cross multiply
    731,423.12x = 1,008,957.46 × 425,465.08
  4. Step 4: Simplify right side
    731,423.12x = 429,276,166,435.50
  5. Step 5: Solve for x
    x = 429,276,166,435.50/731,423.12
  6. Step 6: Final answer
    x = 586,905.38

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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.