Home / 794,678.28-1,191,643.20-288,883.56

Finding the Fourth Proportional to 794,678.28, 1,191,643.20 and 288,883.56

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Solution

The fourth proportional to 794,678.28, 1,191,643.20 and 288,883.56 is: 433,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,678.28 : 1,191,643.20 = 288,883.56 : x
  2. Step 2: Convert to fraction form
    794,678.28/1,191,643.20 = 288,883.56/x
  3. Step 3: Cross multiply
    794,678.28x = 1,191,643.20 × 288,883.56
  4. Step 4: Simplify right side
    794,678.28x = 344,246,129,865.79
  5. Step 5: Solve for x
    x = 344,246,129,865.79/794,678.28
  6. Step 6: Final answer
    x = 433,189.30

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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.