Home / 564,947.03-847,421.91-138,484.76

Finding the Fourth Proportional to 564,947.03, 847,421.91 and 138,484.76

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Solution

The fourth proportional to 564,947.03, 847,421.91 and 138,484.76 is: 207,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,947.03 : 847,421.91 = 138,484.76 : x
  2. Step 2: Convert to fraction form
    564,947.03/847,421.91 = 138,484.76/x
  3. Step 3: Cross multiply
    564,947.03x = 847,421.91 × 138,484.76
  4. Step 4: Simplify right side
    564,947.03x = 117,355,019,825.09
  5. Step 5: Solve for x
    x = 117,355,019,825.09/564,947.03
  6. Step 6: Final answer
    x = 207,727.47

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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.