Home / 656,534.40-985,579.20-372,451.20

Finding the Fourth Proportional to 656,534.40, 985,579.20 and 372,451.20

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Solution

The fourth proportional to 656,534.40, 985,579.20 and 372,451.20 is: 559,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,534.40 : 985,579.20 = 372,451.20 : x
  2. Step 2: Convert to fraction form
    656,534.40/985,579.20 = 372,451.20/x
  3. Step 3: Cross multiply
    656,534.40x = 985,579.20 × 372,451.20
  4. Step 4: Simplify right side
    656,534.40x = 367,080,155,735.04
  5. Step 5: Solve for x
    x = 367,080,155,735.04/656,534.40
  6. Step 6: Final answer
    x = 559,117.93

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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.