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Finding the Fourth Proportional to 675,645.17, 932,390.29 and 369,721.56

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Solution

The fourth proportional to 675,645.17, 932,390.29 and 369,721.56 is: 510,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,645.17 : 932,390.29 = 369,721.56 : x
  2. Step 2: Convert to fraction form
    675,645.17/932,390.29 = 369,721.56/x
  3. Step 3: Cross multiply
    675,645.17x = 932,390.29 × 369,721.56
  4. Step 4: Simplify right side
    675,645.17x = 344,724,796,506.27
  5. Step 5: Solve for x
    x = 344,724,796,506.27/675,645.17
  6. Step 6: Final answer
    x = 510,215.74

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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.