Home / 913,309.91-1,369,804.47-282,229.19

Finding the Fourth Proportional to 913,309.91, 1,369,804.47 and 282,229.19

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Solution

The fourth proportional to 913,309.91, 1,369,804.47 and 282,229.19 is: 423,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,309.91 : 1,369,804.47 = 282,229.19 : x
  2. Step 2: Convert to fraction form
    913,309.91/1,369,804.47 = 282,229.19/x
  3. Step 3: Cross multiply
    913,309.91x = 1,369,804.47 × 282,229.19
  4. Step 4: Simplify right side
    913,309.91x = 386,598,799,177.46
  5. Step 5: Solve for x
    x = 386,598,799,177.46/913,309.91
  6. Step 6: Final answer
    x = 423,294.21

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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.