Home / 677,725.20-1,016,587.80-373,294.80

Finding the Fourth Proportional to 677,725.20, 1,016,587.80 and 373,294.80

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Solution

The fourth proportional to 677,725.20, 1,016,587.80 and 373,294.80 is: 559,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,725.20 : 1,016,587.80 = 373,294.80 : x
  2. Step 2: Convert to fraction form
    677,725.20/1,016,587.80 = 373,294.80/x
  3. Step 3: Cross multiply
    677,725.20x = 1,016,587.80 × 373,294.80
  4. Step 4: Simplify right side
    677,725.20x = 379,486,939,483.44
  5. Step 5: Solve for x
    x = 379,486,939,483.44/677,725.20
  6. Step 6: Final answer
    x = 559,942.20

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Double scale
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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.