Home / 684,797.28-1,025,197.20-399,613.92

Finding the Fourth Proportional to 684,797.28, 1,025,197.20 and 399,613.92

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Solution

The fourth proportional to 684,797.28, 1,025,197.20 and 399,613.92 is: 598,254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,797.28 : 1,025,197.20 = 399,613.92 : x
  2. Step 2: Convert to fraction form
    684,797.28/1,025,197.20 = 399,613.92/x
  3. Step 3: Cross multiply
    684,797.28x = 1,025,197.20 × 399,613.92
  4. Step 4: Simplify right side
    684,797.28x = 409,683,071,865.02
  5. Step 5: Solve for x
    x = 409,683,071,865.02/684,797.28
  6. Step 6: Final answer
    x = 598,254.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.