Home / 739,838.32-1,020,867.38-449,298.80

Finding the Fourth Proportional to 739,838.32, 1,020,867.38 and 449,298.80

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Solution

The fourth proportional to 739,838.32, 1,020,867.38 and 449,298.80 is: 619,965.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,838.32 : 1,020,867.38 = 449,298.80 : x
  2. Step 2: Convert to fraction form
    739,838.32/1,020,867.38 = 449,298.80/x
  3. Step 3: Cross multiply
    739,838.32x = 1,020,867.38 × 449,298.80
  4. Step 4: Simplify right side
    739,838.32x = 458,674,488,793.14
  5. Step 5: Solve for x
    x = 458,674,488,793.14/739,838.32
  6. Step 6: Final answer
    x = 619,965.84

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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.