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Finding the Fourth Proportional to 650,304.16, 897,726.58 and 489,220.68

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Solution

The fourth proportional to 650,304.16, 897,726.58 and 489,220.68 is: 675,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,304.16 : 897,726.58 = 489,220.68 : x
  2. Step 2: Convert to fraction form
    650,304.16/897,726.58 = 489,220.68/x
  3. Step 3: Cross multiply
    650,304.16x = 897,726.58 × 489,220.68
  4. Step 4: Simplify right side
    650,304.16x = 439,186,407,921.67
  5. Step 5: Solve for x
    x = 439,186,407,921.67/650,304.16
  6. Step 6: Final answer
    x = 675,355.37

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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.