Home / 475,739.40-656,550.72-314,311.26

Finding the Fourth Proportional to 475,739.40, 656,550.72 and 314,311.26

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Solution

The fourth proportional to 475,739.40, 656,550.72 and 314,311.26 is: 433,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,739.40 : 656,550.72 = 314,311.26 : x
  2. Step 2: Convert to fraction form
    475,739.40/656,550.72 = 314,311.26/x
  3. Step 3: Cross multiply
    475,739.40x = 656,550.72 × 314,311.26
  4. Step 4: Simplify right side
    475,739.40x = 206,361,284,057.11
  5. Step 5: Solve for x
    x = 206,361,284,057.11/475,739.40
  6. Step 6: Final answer
    x = 433,769.59

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1.5x scale

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.