Home / 634,306.28-875,382.51-347,826.36

Finding the Fourth Proportional to 634,306.28, 875,382.51 and 347,826.36

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Solution

The fourth proportional to 634,306.28, 875,382.51 and 347,826.36 is: 480,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,306.28 : 875,382.51 = 347,826.36 : x
  2. Step 2: Convert to fraction form
    634,306.28/875,382.51 = 347,826.36/x
  3. Step 3: Cross multiply
    634,306.28x = 875,382.51 × 347,826.36
  4. Step 4: Simplify right side
    634,306.28x = 304,481,112,060.96
  5. Step 5: Solve for x
    x = 304,481,112,060.96/634,306.28
  6. Step 6: Final answer
    x = 480,022.23

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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.