Home / 727,279.58-1,090,412.16-322,251.50

Finding the Fourth Proportional to 727,279.58, 1,090,412.16 and 322,251.50

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Solution

The fourth proportional to 727,279.58, 1,090,412.16 and 322,251.50 is: 483,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,279.58 : 1,090,412.16 = 322,251.50 : x
  2. Step 2: Convert to fraction form
    727,279.58/1,090,412.16 = 322,251.50/x
  3. Step 3: Cross multiply
    727,279.58x = 1,090,412.16 × 322,251.50
  4. Step 4: Simplify right side
    727,279.58x = 351,386,948,726.18
  5. Step 5: Solve for x
    x = 351,386,948,726.18/727,279.58
  6. Step 6: Final answer
    x = 483,152.51

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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.