Home / 792,693.59-1,189,037.18-287,136.25

Finding the Fourth Proportional to 792,693.59, 1,189,037.18 and 287,136.25

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Solution

The fourth proportional to 792,693.59, 1,189,037.18 and 287,136.25 is: 430,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,693.59 : 1,189,037.18 = 287,136.25 : x
  2. Step 2: Convert to fraction form
    792,693.59/1,189,037.18 = 287,136.25/x
  3. Step 3: Cross multiply
    792,693.59x = 1,189,037.18 × 287,136.25
  4. Step 4: Simplify right side
    792,693.59x = 341,415,676,975.78
  5. Step 5: Solve for x
    x = 341,415,676,975.78/792,693.59
  6. Step 6: Final answer
    x = 430,703.21

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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.