Home / 905,022.42-1,248,970.20-517,959.34

Finding the Fourth Proportional to 905,022.42, 1,248,970.20 and 517,959.34

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Solution

The fourth proportional to 905,022.42, 1,248,970.20 and 517,959.34 is: 714,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,022.42 : 1,248,970.20 = 517,959.34 : x
  2. Step 2: Convert to fraction form
    905,022.42/1,248,970.20 = 517,959.34/x
  3. Step 3: Cross multiply
    905,022.42x = 1,248,970.20 × 517,959.34
  4. Step 4: Simplify right side
    905,022.42x = 646,915,780,471.67
  5. Step 5: Solve for x
    x = 646,915,780,471.67/905,022.42
  6. Step 6: Final answer
    x = 714,806.36

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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.