Home / 740,851.98-1,022,373.52-418,561.95

Finding the Fourth Proportional to 740,851.98, 1,022,373.52 and 418,561.95

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Solution

The fourth proportional to 740,851.98, 1,022,373.52 and 418,561.95 is: 577,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,851.98 : 1,022,373.52 = 418,561.95 : x
  2. Step 2: Convert to fraction form
    740,851.98/1,022,373.52 = 418,561.95/x
  3. Step 3: Cross multiply
    740,851.98x = 1,022,373.52 × 418,561.95
  4. Step 4: Simplify right side
    740,851.98x = 427,926,654,159.56
  5. Step 5: Solve for x
    x = 427,926,654,159.56/740,851.98
  6. Step 6: Final answer
    x = 577,614.24

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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.