Home / 668,347.60-1,002,521.40-195,080.80

Finding the Fourth Proportional to 668,347.60, 1,002,521.40 and 195,080.80

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Solution

The fourth proportional to 668,347.60, 1,002,521.40 and 195,080.80 is: 292,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,347.60 : 1,002,521.40 = 195,080.80 : x
  2. Step 2: Convert to fraction form
    668,347.60/1,002,521.40 = 195,080.80/x
  3. Step 3: Cross multiply
    668,347.60x = 1,002,521.40 × 195,080.80
  4. Step 4: Simplify right side
    668,347.60x = 195,572,676,729.12
  5. Step 5: Solve for x
    x = 195,572,676,729.12/668,347.60
  6. Step 6: Final answer
    x = 292,621.20

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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.