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Finding the Fourth Proportional to 675,888.72, 932,726.70 and 369,966.66

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Solution

The fourth proportional to 675,888.72, 932,726.70 and 369,966.66 is: 510,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,888.72 : 932,726.70 = 369,966.66 : x
  2. Step 2: Convert to fraction form
    675,888.72/932,726.70 = 369,966.66/x
  3. Step 3: Cross multiply
    675,888.72x = 932,726.70 × 369,966.66
  4. Step 4: Simplify right side
    675,888.72x = 345,077,781,891.82
  5. Step 5: Solve for x
    x = 345,077,781,891.82/675,888.72
  6. Step 6: Final answer
    x = 510,554.14

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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.