Home / 672,782.41-1,009,173.61-461,780.65

Finding the Fourth Proportional to 672,782.41, 1,009,173.61 and 461,780.65

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Solution

The fourth proportional to 672,782.41, 1,009,173.61 and 461,780.65 is: 692,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,782.41 : 1,009,173.61 = 461,780.65 : x
  2. Step 2: Convert to fraction form
    672,782.41/1,009,173.61 = 461,780.65/x
  3. Step 3: Cross multiply
    672,782.41x = 1,009,173.61 × 461,780.65
  4. Step 4: Simplify right side
    672,782.41x = 466,016,840,451.98
  5. Step 5: Solve for x
    x = 466,016,840,451.98/672,782.41
  6. Step 6: Final answer
    x = 692,670.97

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Similar ratio
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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.