Home / 668,835.20-1,003,252.80-416,892.80

Finding the Fourth Proportional to 668,835.20, 1,003,252.80 and 416,892.80

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Solution

The fourth proportional to 668,835.20, 1,003,252.80 and 416,892.80 is: 625,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,835.20 : 1,003,252.80 = 416,892.80 : x
  2. Step 2: Convert to fraction form
    668,835.20/1,003,252.80 = 416,892.80/x
  3. Step 3: Cross multiply
    668,835.20x = 1,003,252.80 × 416,892.80
  4. Step 4: Simplify right side
    668,835.20x = 418,248,868,899.84
  5. Step 5: Solve for x
    x = 418,248,868,899.84/668,835.20
  6. Step 6: Final answer
    x = 625,339.20

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Similar ratio
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1.5x scale

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.