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Finding the Fourth Proportional to 672,107.76, 927,508.29 and 370,301.76

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Solution

The fourth proportional to 672,107.76, 927,508.29 and 370,301.76 is: 511,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,107.76 : 927,508.29 = 370,301.76 : x
  2. Step 2: Convert to fraction form
    672,107.76/927,508.29 = 370,301.76/x
  3. Step 3: Cross multiply
    672,107.76x = 927,508.29 × 370,301.76
  4. Step 4: Simplify right side
    672,107.76x = 343,457,952,201.59
  5. Step 5: Solve for x
    x = 343,457,952,201.59/672,107.76
  6. Step 6: Final answer
    x = 511,016.20

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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.