Home / 815,527.96-1,223,442.53-268,451.28

Finding the Fourth Proportional to 815,527.96, 1,223,442.53 and 268,451.28

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Solution

The fourth proportional to 815,527.96, 1,223,442.53 and 268,451.28 is: 402,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,527.96 : 1,223,442.53 = 268,451.28 : x
  2. Step 2: Convert to fraction form
    815,527.96/1,223,442.53 = 268,451.28/x
  3. Step 3: Cross multiply
    815,527.96x = 1,223,442.53 × 268,451.28
  4. Step 4: Simplify right side
    815,527.96x = 328,434,713,184.94
  5. Step 5: Solve for x
    x = 328,434,713,184.94/815,527.96
  6. Step 6: Final answer
    x = 402,726.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.