Home / 475,837.80-656,690.67-314,412.90

Finding the Fourth Proportional to 475,837.80, 656,690.67 and 314,412.90

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Solution

The fourth proportional to 475,837.80, 656,690.67 and 314,412.90 is: 433,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,837.80 : 656,690.67 = 314,412.90 : x
  2. Step 2: Convert to fraction form
    475,837.80/656,690.67 = 314,412.90/x
  3. Step 3: Cross multiply
    475,837.80x = 656,690.67 × 314,412.90
  4. Step 4: Simplify right side
    475,837.80x = 206,472,017,957.64
  5. Step 5: Solve for x
    x = 206,472,017,957.64/475,837.80
  6. Step 6: Final answer
    x = 433,912.60

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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.