Home / 885,001.21-1,328,211.19-458,658.92

Finding the Fourth Proportional to 885,001.21, 1,328,211.19 and 458,658.92

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Solution

The fourth proportional to 885,001.21, 1,328,211.19 and 458,658.92 is: 688,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,001.21 : 1,328,211.19 = 458,658.92 : x
  2. Step 2: Convert to fraction form
    885,001.21/1,328,211.19 = 458,658.92/x
  3. Step 3: Cross multiply
    885,001.21x = 1,328,211.19 × 458,658.92
  4. Step 4: Simplify right side
    885,001.21x = 609,195,909,937.32
  5. Step 5: Solve for x
    x = 609,195,909,937.32/885,001.21
  6. Step 6: Final answer
    x = 688,356.02

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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.