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Finding the Fourth Proportional to 675,630.29, 932,361.66 and 369,703.28

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Solution

The fourth proportional to 675,630.29, 932,361.66 and 369,703.28 is: 510,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,630.29 : 932,361.66 = 369,703.28 : x
  2. Step 2: Convert to fraction form
    675,630.29/932,361.66 = 369,703.28/x
  3. Step 3: Cross multiply
    675,630.29x = 932,361.66 × 369,703.28
  4. Step 4: Simplify right side
    675,630.29x = 344,697,159,186.44
  5. Step 5: Solve for x
    x = 344,697,159,186.44/675,630.29
  6. Step 6: Final answer
    x = 510,186.07

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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.