Home / 914,517.48-1,262,020.80-506,618.64

Finding the Fourth Proportional to 914,517.48, 1,262,020.80 and 506,618.64

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Solution

The fourth proportional to 914,517.48, 1,262,020.80 and 506,618.64 is: 699,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,517.48 : 1,262,020.80 = 506,618.64 : x
  2. Step 2: Convert to fraction form
    914,517.48/1,262,020.80 = 506,618.64/x
  3. Step 3: Cross multiply
    914,517.48x = 1,262,020.80 × 506,618.64
  4. Step 4: Simplify right side
    914,517.48x = 639,363,261,347.71
  5. Step 5: Solve for x
    x = 639,363,261,347.71/914,517.48
  6. Step 6: Final answer
    x = 699,126.34

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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.