Home / 437,525.20-656,287.80-279,931.60

Finding the Fourth Proportional to 437,525.20, 656,287.80 and 279,931.60

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Solution

The fourth proportional to 437,525.20, 656,287.80 and 279,931.60 is: 419,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,525.20 : 656,287.80 = 279,931.60 : x
  2. Step 2: Convert to fraction form
    437,525.20/656,287.80 = 279,931.60/x
  3. Step 3: Cross multiply
    437,525.20x = 656,287.80 × 279,931.60
  4. Step 4: Simplify right side
    437,525.20x = 183,715,693,914.48
  5. Step 5: Solve for x
    x = 183,715,693,914.48/437,525.20
  6. Step 6: Final answer
    x = 419,897.40

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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.