Home / 758,117.83-1,046,175.18-418,578.79

Finding the Fourth Proportional to 758,117.83, 1,046,175.18 and 418,578.79

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Solution

The fourth proportional to 758,117.83, 1,046,175.18 and 418,578.79 is: 577,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,117.83 : 1,046,175.18 = 418,578.79 : x
  2. Step 2: Convert to fraction form
    758,117.83/1,046,175.18 = 418,578.79/x
  3. Step 3: Cross multiply
    758,117.83x = 1,046,175.18 × 418,578.79
  4. Step 4: Simplify right side
    758,117.83x = 437,906,740,972.43
  5. Step 5: Solve for x
    x = 437,906,740,972.43/758,117.83
  6. Step 6: Final answer
    x = 577,623.59

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Double scale
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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.