Home / 883,102.60-1,218,871.50-538,864.78

Finding the Fourth Proportional to 883,102.60, 1,218,871.50 and 538,864.78

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Solution

The fourth proportional to 883,102.60, 1,218,871.50 and 538,864.78 is: 743,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,102.60 : 1,218,871.50 = 538,864.78 : x
  2. Step 2: Convert to fraction form
    883,102.60/1,218,871.50 = 538,864.78/x
  3. Step 3: Cross multiply
    883,102.60x = 1,218,871.50 × 538,864.78
  4. Step 4: Simplify right side
    883,102.60x = 656,806,922,695.77
  5. Step 5: Solve for x
    x = 656,806,922,695.77/883,102.60
  6. Step 6: Final answer
    x = 743,749.28

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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.