Home / 465,831.64-642,861.66-284,573.08

Finding the Fourth Proportional to 465,831.64, 642,861.66 and 284,573.08

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Solution

The fourth proportional to 465,831.64, 642,861.66 and 284,573.08 is: 392,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,831.64 : 642,861.66 = 284,573.08 : x
  2. Step 2: Convert to fraction form
    465,831.64/642,861.66 = 284,573.08/x
  3. Step 3: Cross multiply
    465,831.64x = 642,861.66 × 284,573.08
  4. Step 4: Simplify right side
    465,831.64x = 182,941,122,600.11
  5. Step 5: Solve for x
    x = 182,941,122,600.11/465,831.64
  6. Step 6: Final answer
    x = 392,719.40

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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.