Home / 792,148.65-1,188,222.98-286,951.65

Finding the Fourth Proportional to 792,148.65, 1,188,222.98 and 286,951.65

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Solution

The fourth proportional to 792,148.65, 1,188,222.98 and 286,951.65 is: 430,427.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,148.65 : 1,188,222.98 = 286,951.65 : x
  2. Step 2: Convert to fraction form
    792,148.65/1,188,222.98 = 286,951.65/x
  3. Step 3: Cross multiply
    792,148.65x = 1,188,222.98 × 286,951.65
  4. Step 4: Simplify right side
    792,148.65x = 340,962,543,244.16
  5. Step 5: Solve for x
    x = 340,962,543,244.16/792,148.65
  6. Step 6: Final answer
    x = 430,427.48

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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.