Home / 914,993.25-1,262,689.05-501,529.78

Finding the Fourth Proportional to 914,993.25, 1,262,689.05 and 501,529.78

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Solution

The fourth proportional to 914,993.25, 1,262,689.05 and 501,529.78 is: 692,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,993.25 : 1,262,689.05 = 501,529.78 : x
  2. Step 2: Convert to fraction form
    914,993.25/1,262,689.05 = 501,529.78/x
  3. Step 3: Cross multiply
    914,993.25x = 1,262,689.05 × 501,529.78
  4. Step 4: Simplify right side
    914,993.25x = 633,276,161,454.91
  5. Step 5: Solve for x
    x = 633,276,161,454.91/914,993.25
  6. Step 6: Final answer
    x = 692,110.20

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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.