Home / 758,207.76-1,046,306.70-418,668.72

Finding the Fourth Proportional to 758,207.76, 1,046,306.70 and 418,668.72

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Solution

The fourth proportional to 758,207.76, 1,046,306.70 and 418,668.72 is: 577,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,207.76 : 1,046,306.70 = 418,668.72 : x
  2. Step 2: Convert to fraction form
    758,207.76/1,046,306.70 = 418,668.72/x
  3. Step 3: Cross multiply
    758,207.76x = 1,046,306.70 × 418,668.72
  4. Step 4: Simplify right side
    758,207.76x = 438,055,886,816.42
  5. Step 5: Solve for x
    x = 438,055,886,816.42/758,207.76
  6. Step 6: Final answer
    x = 577,751.79

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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.