Home / 437,546.40-656,319.60-331,258.20

Finding the Fourth Proportional to 437,546.40, 656,319.60 and 331,258.20

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Solution

The fourth proportional to 437,546.40, 656,319.60 and 331,258.20 is: 496,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,546.40 : 656,319.60 = 331,258.20 : x
  2. Step 2: Convert to fraction form
    437,546.40/656,319.60 = 331,258.20/x
  3. Step 3: Cross multiply
    437,546.40x = 656,319.60 × 331,258.20
  4. Step 4: Simplify right side
    437,546.40x = 217,411,249,320.72
  5. Step 5: Solve for x
    x = 217,411,249,320.72/437,546.40
  6. Step 6: Final answer
    x = 496,887.30

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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.