Home / 488,831.76-674,522.24-282,108.02

Finding the Fourth Proportional to 488,831.76, 674,522.24 and 282,108.02

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Solution

The fourth proportional to 488,831.76, 674,522.24 and 282,108.02 is: 389,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,831.76 : 674,522.24 = 282,108.02 : x
  2. Step 2: Convert to fraction form
    488,831.76/674,522.24 = 282,108.02/x
  3. Step 3: Cross multiply
    488,831.76x = 674,522.24 × 282,108.02
  4. Step 4: Simplify right side
    488,831.76x = 190,288,128,789.21
  5. Step 5: Solve for x
    x = 190,288,128,789.21/488,831.76
  6. Step 6: Final answer
    x = 389,271.21

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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.