Home / 706,736.15-1,057,429.13-418,702.47

Finding the Fourth Proportional to 706,736.15, 1,057,429.13 and 418,702.47

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Solution

The fourth proportional to 706,736.15, 1,057,429.13 and 418,702.47 is: 626,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,736.15 : 1,057,429.13 = 418,702.47 : x
  2. Step 2: Convert to fraction form
    706,736.15/1,057,429.13 = 418,702.47/x
  3. Step 3: Cross multiply
    706,736.15x = 1,057,429.13 × 418,702.47
  4. Step 4: Simplify right side
    706,736.15x = 442,748,186,487.44
  5. Step 5: Solve for x
    x = 442,748,186,487.44/706,736.15
  6. Step 6: Final answer
    x = 626,468.86

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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.