Home / 867,371.29-1,300,309.00-418,407.53

Finding the Fourth Proportional to 867,371.29, 1,300,309.00 and 418,407.53

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Solution

The fourth proportional to 867,371.29, 1,300,309.00 and 418,407.53 is: 627,250.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,371.29 : 1,300,309.00 = 418,407.53 : x
  2. Step 2: Convert to fraction form
    867,371.29/1,300,309.00 = 418,407.53/x
  3. Step 3: Cross multiply
    867,371.29x = 1,300,309.00 × 418,407.53
  4. Step 4: Simplify right side
    867,371.29x = 544,059,069,379.21
  5. Step 5: Solve for x
    x = 544,059,069,379.21/867,371.29
  6. Step 6: Final answer
    x = 627,250.49

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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.