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Finding the Fourth Proportional to 580,167.01, 870,428.66 and 276,948.10

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Solution

The fourth proportional to 580,167.01, 870,428.66 and 276,948.10 is: 415,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,167.01 : 870,428.66 = 276,948.10 : x
  2. Step 2: Convert to fraction form
    580,167.01/870,428.66 = 276,948.10/x
  3. Step 3: Cross multiply
    580,167.01x = 870,428.66 × 276,948.10
  4. Step 4: Simplify right side
    580,167.01x = 241,063,563,572.55
  5. Step 5: Solve for x
    x = 241,063,563,572.55/580,167.01
  6. Step 6: Final answer
    x = 415,507.19

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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.