Home / 715,278.50-1,073,409.84-294,554.36

Finding the Fourth Proportional to 715,278.50, 1,073,409.84 and 294,554.36

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Solution

The fourth proportional to 715,278.50, 1,073,409.84 and 294,554.36 is: 442,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,278.50 : 1,073,409.84 = 294,554.36 : x
  2. Step 2: Convert to fraction form
    715,278.50/1,073,409.84 = 294,554.36/x
  3. Step 3: Cross multiply
    715,278.50x = 1,073,409.84 × 294,554.36
  4. Step 4: Simplify right side
    715,278.50x = 316,177,548,438.90
  5. Step 5: Solve for x
    x = 316,177,548,438.90/715,278.50
  6. Step 6: Final answer
    x = 442,034.18

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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.