Home / 547,843.23-756,098.76-315,265.40

Finding the Fourth Proportional to 547,843.23, 756,098.76 and 315,265.40

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Solution

The fourth proportional to 547,843.23, 756,098.76 and 315,265.40 is: 435,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,843.23 : 756,098.76 = 315,265.40 : x
  2. Step 2: Convert to fraction form
    547,843.23/756,098.76 = 315,265.40/x
  3. Step 3: Cross multiply
    547,843.23x = 756,098.76 × 315,265.40
  4. Step 4: Simplify right side
    547,843.23x = 238,371,774,230.41
  5. Step 5: Solve for x
    x = 238,371,774,230.41/547,843.23
  6. Step 6: Final answer
    x = 435,109.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.