Home / 815,343.86-1,125,092.40-476,008.94

Finding the Fourth Proportional to 815,343.86, 1,125,092.40 and 476,008.94

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Solution

The fourth proportional to 815,343.86, 1,125,092.40 and 476,008.94 is: 656,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,343.86 : 1,125,092.40 = 476,008.94 : x
  2. Step 2: Convert to fraction form
    815,343.86/1,125,092.40 = 476,008.94/x
  3. Step 3: Cross multiply
    815,343.86x = 1,125,092.40 × 476,008.94
  4. Step 4: Simplify right side
    815,343.86x = 535,554,040,726.06
  5. Step 5: Solve for x
    x = 535,554,040,726.06/815,343.86
  6. Step 6: Final answer
    x = 656,844.39

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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.