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Finding the Fourth Proportional to 675,679.08, 932,437.16 and 369,755.45

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Solution

The fourth proportional to 675,679.08, 932,437.16 and 369,755.45 is: 510,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,679.08 : 932,437.16 = 369,755.45 : x
  2. Step 2: Convert to fraction form
    675,679.08/932,437.16 = 369,755.45/x
  3. Step 3: Cross multiply
    675,679.08x = 932,437.16 × 369,755.45
  4. Step 4: Simplify right side
    675,679.08x = 344,773,720,064.78
  5. Step 5: Solve for x
    x = 344,773,720,064.78/675,679.08
  6. Step 6: Final answer
    x = 510,262.53

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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.