Home / 921,527.19-1,271,713.77-513,655.29

Finding the Fourth Proportional to 921,527.19, 1,271,713.77 and 513,655.29

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Solution

The fourth proportional to 921,527.19, 1,271,713.77 and 513,655.29 is: 708,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,527.19 : 1,271,713.77 = 513,655.29 : x
  2. Step 2: Convert to fraction form
    921,527.19/1,271,713.77 = 513,655.29/x
  3. Step 3: Cross multiply
    921,527.19x = 1,271,713.77 × 513,655.29
  4. Step 4: Simplify right side
    921,527.19x = 653,222,505,326.34
  5. Step 5: Solve for x
    x = 653,222,505,326.34/921,527.19
  6. Step 6: Final answer
    x = 708,847.78

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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.