Home / 564,948.03-847,423.41-138,485.76

Finding the Fourth Proportional to 564,948.03, 847,423.41 and 138,485.76

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Solution

The fourth proportional to 564,948.03, 847,423.41 and 138,485.76 is: 207,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,948.03 : 847,423.41 = 138,485.76 : x
  2. Step 2: Convert to fraction form
    564,948.03/847,423.41 = 138,485.76/x
  3. Step 3: Cross multiply
    564,948.03x = 847,423.41 × 138,485.76
  4. Step 4: Simplify right side
    564,948.03x = 117,356,074,975.64
  5. Step 5: Solve for x
    x = 117,356,074,975.64/564,948.03
  6. Step 6: Final answer
    x = 207,728.97

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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.