Home / 740,278.28-1,110,251.34-340,535.24

Finding the Fourth Proportional to 740,278.28, 1,110,251.34 and 340,535.24

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Solution

The fourth proportional to 740,278.28, 1,110,251.34 and 340,535.24 is: 510,726.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,278.28 : 1,110,251.34 = 340,535.24 : x
  2. Step 2: Convert to fraction form
    740,278.28/1,110,251.34 = 340,535.24/x
  3. Step 3: Cross multiply
    740,278.28x = 1,110,251.34 × 340,535.24
  4. Step 4: Simplify right side
    740,278.28x = 378,079,706,527.22
  5. Step 5: Solve for x
    x = 378,079,706,527.22/740,278.28
  6. Step 6: Final answer
    x = 510,726.46

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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.