Home / 475,736.40-656,546.58-314,308.26

Finding the Fourth Proportional to 475,736.40, 656,546.58 and 314,308.26

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Solution

The fourth proportional to 475,736.40, 656,546.58 and 314,308.26 is: 433,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,736.40 : 656,546.58 = 314,308.26 : x
  2. Step 2: Convert to fraction form
    475,736.40/656,546.58 = 314,308.26/x
  3. Step 3: Cross multiply
    475,736.40x = 656,546.58 × 314,308.26
  4. Step 4: Simplify right side
    475,736.40x = 206,358,013,168.75
  5. Step 5: Solve for x
    x = 206,358,013,168.75/475,736.40
  6. Step 6: Final answer
    x = 433,765.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.