Home / 690,046.20-1,035,060.05-177,708.51

Finding the Fourth Proportional to 690,046.20, 1,035,060.05 and 177,708.51

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Solution

The fourth proportional to 690,046.20, 1,035,060.05 and 177,708.51 is: 266,560.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,046.20 : 1,035,060.05 = 177,708.51 : x
  2. Step 2: Convert to fraction form
    690,046.20/1,035,060.05 = 177,708.51/x
  3. Step 3: Cross multiply
    690,046.20x = 1,035,060.05 × 177,708.51
  4. Step 4: Simplify right side
    690,046.20x = 183,938,978,357.48
  5. Step 5: Solve for x
    x = 183,938,978,357.48/690,046.20
  6. Step 6: Final answer
    x = 266,560.38

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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.