Home / 748,105.80-1,032,392.61-425,836.65

Finding the Fourth Proportional to 748,105.80, 1,032,392.61 and 425,836.65

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Solution

The fourth proportional to 748,105.80, 1,032,392.61 and 425,836.65 is: 587,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,105.80 : 1,032,392.61 = 425,836.65 : x
  2. Step 2: Convert to fraction form
    748,105.80/1,032,392.61 = 425,836.65/x
  3. Step 3: Cross multiply
    748,105.80x = 1,032,392.61 × 425,836.65
  4. Step 4: Simplify right side
    748,105.80x = 439,630,610,527.16
  5. Step 5: Solve for x
    x = 439,630,610,527.16/748,105.80
  6. Step 6: Final answer
    x = 587,658.34

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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.