Home / 723,772.40-1,085,658.60-607,650.80

Finding the Fourth Proportional to 723,772.40, 1,085,658.60 and 607,650.80

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Solution

The fourth proportional to 723,772.40, 1,085,658.60 and 607,650.80 is: 911,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,772.40 : 1,085,658.60 = 607,650.80 : x
  2. Step 2: Convert to fraction form
    723,772.40/1,085,658.60 = 607,650.80/x
  3. Step 3: Cross multiply
    723,772.40x = 1,085,658.60 × 607,650.80
  4. Step 4: Simplify right side
    723,772.40x = 659,701,316,816.88
  5. Step 5: Solve for x
    x = 659,701,316,816.88/723,772.40
  6. Step 6: Final answer
    x = 911,476.20

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Half scale
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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.