Home / 894,689.31-1,234,634.30-486,792.79

Finding the Fourth Proportional to 894,689.31, 1,234,634.30 and 486,792.79

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Solution

The fourth proportional to 894,689.31, 1,234,634.30 and 486,792.79 is: 671,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,689.31 : 1,234,634.30 = 486,792.79 : x
  2. Step 2: Convert to fraction form
    894,689.31/1,234,634.30 = 486,792.79/x
  3. Step 3: Cross multiply
    894,689.31x = 1,234,634.30 × 486,792.79
  4. Step 4: Simplify right side
    894,689.31x = 601,011,071,831.62
  5. Step 5: Solve for x
    x = 601,011,071,831.62/894,689.31
  6. Step 6: Final answer
    x = 671,753.94

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1.5x scale

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.