Home / 583,829.28-805,217.92-402,499.64

Finding the Fourth Proportional to 583,829.28, 805,217.92 and 402,499.64

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Solution

The fourth proportional to 583,829.28, 805,217.92 and 402,499.64 is: 555,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,829.28 : 805,217.92 = 402,499.64 : x
  2. Step 2: Convert to fraction form
    583,829.28/805,217.92 = 402,499.64/x
  3. Step 3: Cross multiply
    583,829.28x = 805,217.92 × 402,499.64
  4. Step 4: Simplify right side
    583,829.28x = 324,099,922,921.55
  5. Step 5: Solve for x
    x = 324,099,922,921.55/583,829.28
  6. Step 6: Final answer
    x = 555,127.90

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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.