Home / 768,866.24-1,061,031.20-424,725.85

Finding the Fourth Proportional to 768,866.24, 1,061,031.20 and 424,725.85

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Solution

The fourth proportional to 768,866.24, 1,061,031.20 and 424,725.85 is: 586,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,866.24 : 1,061,031.20 = 424,725.85 : x
  2. Step 2: Convert to fraction form
    768,866.24/1,061,031.20 = 424,725.85/x
  3. Step 3: Cross multiply
    768,866.24x = 1,061,031.20 × 424,725.85
  4. Step 4: Simplify right side
    768,866.24x = 450,647,373,520.31
  5. Step 5: Solve for x
    x = 450,647,373,520.31/768,866.24
  6. Step 6: Final answer
    x = 586,119.34

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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.