Home / 765,833.76-1,056,831.84-426,294.72

Finding the Fourth Proportional to 765,833.76, 1,056,831.84 and 426,294.72

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Solution

The fourth proportional to 765,833.76, 1,056,831.84 and 426,294.72 is: 588,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,833.76 : 1,056,831.84 = 426,294.72 : x
  2. Step 2: Convert to fraction form
    765,833.76/1,056,831.84 = 426,294.72/x
  3. Step 3: Cross multiply
    765,833.76x = 1,056,831.84 × 426,294.72
  4. Step 4: Simplify right side
    765,833.76x = 450,521,833,319.89
  5. Step 5: Solve for x
    x = 450,521,833,319.89/765,833.76
  6. Step 6: Final answer
    x = 588,276.28

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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.