Home / 747,664.80-1,031,764.16-425,367.96

Finding the Fourth Proportional to 747,664.80, 1,031,764.16 and 425,367.96

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Solution

The fourth proportional to 747,664.80, 1,031,764.16 and 425,367.96 is: 587,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,664.80 : 1,031,764.16 = 425,367.96 : x
  2. Step 2: Convert to fraction form
    747,664.80/1,031,764.16 = 425,367.96/x
  3. Step 3: Cross multiply
    747,664.80x = 1,031,764.16 × 425,367.96
  4. Step 4: Simplify right side
    747,664.80x = 438,879,415,940.31
  5. Step 5: Solve for x
    x = 438,879,415,940.31/747,664.80
  6. Step 6: Final answer
    x = 587,000.24

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1.5x scale

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.