Home / 656,585.40-985,655.70-372,502.20

Finding the Fourth Proportional to 656,585.40, 985,655.70 and 372,502.20

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Solution

The fourth proportional to 656,585.40, 985,655.70 and 372,502.20 is: 559,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,585.40 : 985,655.70 = 372,502.20 : x
  2. Step 2: Convert to fraction form
    656,585.40/985,655.70 = 372,502.20/x
  3. Step 3: Cross multiply
    656,585.40x = 985,655.70 × 372,502.20
  4. Step 4: Simplify right side
    656,585.40x = 367,158,916,692.54
  5. Step 5: Solve for x
    x = 367,158,916,692.54/656,585.40
  6. Step 6: Final answer
    x = 559,194.46

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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.