Home / 753,367.38-1,039,644.02-409,200.54

Finding the Fourth Proportional to 753,367.38, 1,039,644.02 and 409,200.54

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Solution

The fourth proportional to 753,367.38, 1,039,644.02 and 409,200.54 is: 564,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,367.38 : 1,039,644.02 = 409,200.54 : x
  2. Step 2: Convert to fraction form
    753,367.38/1,039,644.02 = 409,200.54/x
  3. Step 3: Cross multiply
    753,367.38x = 1,039,644.02 × 409,200.54
  4. Step 4: Simplify right side
    753,367.38x = 425,422,892,345.77
  5. Step 5: Solve for x
    x = 425,422,892,345.77/753,367.38
  6. Step 6: Final answer
    x = 564,695.13

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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.