Home / 680,279.04-1,022,261.76-364,962.56

Finding the Fourth Proportional to 680,279.04, 1,022,261.76 and 364,962.56

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Solution

The fourth proportional to 680,279.04, 1,022,261.76 and 364,962.56 is: 548,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,279.04 : 1,022,261.76 = 364,962.56 : x
  2. Step 2: Convert to fraction form
    680,279.04/1,022,261.76 = 364,962.56/x
  3. Step 3: Cross multiply
    680,279.04x = 1,022,261.76 × 364,962.56
  4. Step 4: Simplify right side
    680,279.04x = 373,087,268,919.71
  5. Step 5: Solve for x
    x = 373,087,268,919.71/680,279.04
  6. Step 6: Final answer
    x = 548,432.70

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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.