Home / 547,897.19-756,095.91-306,179.71

Finding the Fourth Proportional to 547,897.19, 756,095.91 and 306,179.71

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Solution

The fourth proportional to 547,897.19, 756,095.91 and 306,179.71 is: 422,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,897.19 : 756,095.91 = 306,179.71 : x
  2. Step 2: Convert to fraction form
    547,897.19/756,095.91 = 306,179.71/x
  3. Step 3: Cross multiply
    547,897.19x = 756,095.91 × 306,179.71
  4. Step 4: Simplify right side
    547,897.19x = 231,501,224,565.75
  5. Step 5: Solve for x
    x = 231,501,224,565.75/547,897.19
  6. Step 6: Final answer
    x = 422,526.76

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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.