Home / 713,476.08-1,068,788.07-429,010.88

Finding the Fourth Proportional to 713,476.08, 1,068,788.07 and 429,010.88

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Solution

The fourth proportional to 713,476.08, 1,068,788.07 and 429,010.88 is: 642,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,476.08 : 1,068,788.07 = 429,010.88 : x
  2. Step 2: Convert to fraction form
    713,476.08/1,068,788.07 = 429,010.88/x
  3. Step 3: Cross multiply
    713,476.08x = 1,068,788.07 × 429,010.88
  4. Step 4: Simplify right side
    713,476.08x = 458,521,705,100.26
  5. Step 5: Solve for x
    x = 458,521,705,100.26/713,476.08
  6. Step 6: Final answer
    x = 642,658.83

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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.