Home / 438,646.52-604,988.19-285,732.83

Finding the Fourth Proportional to 438,646.52, 604,988.19 and 285,732.83

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Solution

The fourth proportional to 438,646.52, 604,988.19 and 285,732.83 is: 394,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,646.52 : 604,988.19 = 285,732.83 : x
  2. Step 2: Convert to fraction form
    438,646.52/604,988.19 = 285,732.83/x
  3. Step 3: Cross multiply
    438,646.52x = 604,988.19 × 285,732.83
  4. Step 4: Simplify right side
    438,646.52x = 172,864,989,157.75
  5. Step 5: Solve for x
    x = 172,864,989,157.75/438,646.52
  6. Step 6: Final answer
    x = 394,087.22

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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.