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Finding the Fourth Proportional to 425,693.73, 587,461.32 and 234,713.91

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Solution

The fourth proportional to 425,693.73, 587,461.32 and 234,713.91 is: 323,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,693.73 : 587,461.32 = 234,713.91 : x
  2. Step 2: Convert to fraction form
    425,693.73/587,461.32 = 234,713.91/x
  3. Step 3: Cross multiply
    425,693.73x = 587,461.32 × 234,713.91
  4. Step 4: Simplify right side
    425,693.73x = 137,885,343,390.96
  5. Step 5: Solve for x
    x = 137,885,343,390.96/425,693.73
  6. Step 6: Final answer
    x = 323,907.39

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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.