Home / 758,357.92-1,046,599.02-418,891.78

Finding the Fourth Proportional to 758,357.92, 1,046,599.02 and 418,891.78

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Solution

The fourth proportional to 758,357.92, 1,046,599.02 and 418,891.78 is: 578,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,357.92 : 1,046,599.02 = 418,891.78 : x
  2. Step 2: Convert to fraction form
    758,357.92/1,046,599.02 = 418,891.78/x
  3. Step 3: Cross multiply
    758,357.92x = 1,046,599.02 × 418,891.78
  4. Step 4: Simplify right side
    758,357.92x = 438,411,726,434.06
  5. Step 5: Solve for x
    x = 438,411,726,434.06/758,357.92
  6. Step 6: Final answer
    x = 578,106.61

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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.