Home / 727,017.12-1,090,356.12-277,572.96

Finding the Fourth Proportional to 727,017.12, 1,090,356.12 and 277,572.96

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Solution

The fourth proportional to 727,017.12, 1,090,356.12 and 277,572.96 is: 416,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,017.12 : 1,090,356.12 = 277,572.96 : x
  2. Step 2: Convert to fraction form
    727,017.12/1,090,356.12 = 277,572.96/x
  3. Step 3: Cross multiply
    727,017.12x = 1,090,356.12 × 277,572.96
  4. Step 4: Simplify right side
    727,017.12x = 302,653,375,682.52
  5. Step 5: Solve for x
    x = 302,653,375,682.52/727,017.12
  6. Step 6: Final answer
    x = 416,294.70

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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.