Home / 884,115.18-1,326,687.35-371,743.21

Finding the Fourth Proportional to 884,115.18, 1,326,687.35 and 371,743.21

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Solution

The fourth proportional to 884,115.18, 1,326,687.35 and 371,743.21 is: 557,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,115.18 : 1,326,687.35 = 371,743.21 : x
  2. Step 2: Convert to fraction form
    884,115.18/1,326,687.35 = 371,743.21/x
  3. Step 3: Cross multiply
    884,115.18x = 1,326,687.35 × 371,743.21
  4. Step 4: Simplify right side
    884,115.18x = 493,187,013,955.04
  5. Step 5: Solve for x
    x = 493,187,013,955.04/884,115.18
  6. Step 6: Final answer
    x = 557,831.18

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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.