Home / 748,246.58-1,122,535.72-215,726.06

Finding the Fourth Proportional to 748,246.58, 1,122,535.72 and 215,726.06

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Solution

The fourth proportional to 748,246.58, 1,122,535.72 and 215,726.06 is: 323,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,246.58 : 1,122,535.72 = 215,726.06 : x
  2. Step 2: Convert to fraction form
    748,246.58/1,122,535.72 = 215,726.06/x
  3. Step 3: Cross multiply
    748,246.58x = 1,122,535.72 × 215,726.06
  4. Step 4: Simplify right side
    748,246.58x = 242,160,208,084.86
  5. Step 5: Solve for x
    x = 242,160,208,084.86/748,246.58
  6. Step 6: Final answer
    x = 323,636.91

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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.