Home / 792,133.90-1,188,200.85-286,936.90

Finding the Fourth Proportional to 792,133.90, 1,188,200.85 and 286,936.90

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Solution

The fourth proportional to 792,133.90, 1,188,200.85 and 286,936.90 is: 430,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,133.90 : 1,188,200.85 = 286,936.90 : x
  2. Step 2: Convert to fraction form
    792,133.90/1,188,200.85 = 286,936.90/x
  3. Step 3: Cross multiply
    792,133.90x = 1,188,200.85 × 286,936.90
  4. Step 4: Simplify right side
    792,133.90x = 340,938,668,476.37
  5. Step 5: Solve for x
    x = 340,938,668,476.37/792,133.90
  6. Step 6: Final answer
    x = 430,405.35

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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.