Home / 840,454.62-1,159,824.96-458,478.68

Finding the Fourth Proportional to 840,454.62, 1,159,824.96 and 458,478.68

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Solution

The fourth proportional to 840,454.62, 1,159,824.96 and 458,478.68 is: 632,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,454.62 : 1,159,824.96 = 458,478.68 : x
  2. Step 2: Convert to fraction form
    840,454.62/1,159,824.96 = 458,478.68/x
  3. Step 3: Cross multiply
    840,454.62x = 1,159,824.96 × 458,478.68
  4. Step 4: Simplify right side
    840,454.62x = 531,755,010,892.73
  5. Step 5: Solve for x
    x = 531,755,010,892.73/840,454.62
  6. Step 6: Final answer
    x = 632,699.25

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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.