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Finding the Fourth Proportional to 504,566.40, 757,902.60 and 425,834.40

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Solution

The fourth proportional to 504,566.40, 757,902.60 and 425,834.40 is: 639,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,566.40 : 757,902.60 = 425,834.40 : x
  2. Step 2: Convert to fraction form
    504,566.40/757,902.60 = 425,834.40/x
  3. Step 3: Cross multiply
    504,566.40x = 757,902.60 × 425,834.40
  4. Step 4: Simplify right side
    504,566.40x = 322,740,998,929.44
  5. Step 5: Solve for x
    x = 322,740,998,929.44/504,566.40
  6. Step 6: Final answer
    x = 639,640.29

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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.