Home / 672,359.36-927,839.94-366,445.40

Finding the Fourth Proportional to 672,359.36, 927,839.94 and 366,445.40

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Solution

The fourth proportional to 672,359.36, 927,839.94 and 366,445.40 is: 505,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,359.36 : 927,839.94 = 366,445.40 : x
  2. Step 2: Convert to fraction form
    672,359.36/927,839.94 = 366,445.40/x
  3. Step 3: Cross multiply
    672,359.36x = 927,839.94 × 366,445.40
  4. Step 4: Simplify right side
    672,359.36x = 340,002,677,949.28
  5. Step 5: Solve for x
    x = 340,002,677,949.28/672,359.36
  6. Step 6: Final answer
    x = 505,685.94

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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.