Home / 817,283.28-1,127,822.55-449,726.04

Finding the Fourth Proportional to 817,283.28, 1,127,822.55 and 449,726.04

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Solution

The fourth proportional to 817,283.28, 1,127,822.55 and 449,726.04 is: 620,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,283.28 : 1,127,822.55 = 449,726.04 : x
  2. Step 2: Convert to fraction form
    817,283.28/1,127,822.55 = 449,726.04/x
  3. Step 3: Cross multiply
    817,283.28x = 1,127,822.55 × 449,726.04
  4. Step 4: Simplify right side
    817,283.28x = 507,211,169,234.20
  5. Step 5: Solve for x
    x = 507,211,169,234.20/817,283.28
  6. Step 6: Final answer
    x = 620,606.32

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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.