Home / 792,685.96-1,189,152.84-260,085.84

Finding the Fourth Proportional to 792,685.96, 1,189,152.84 and 260,085.84

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Solution

The fourth proportional to 792,685.96, 1,189,152.84 and 260,085.84 is: 390,169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,685.96 : 1,189,152.84 = 260,085.84 : x
  2. Step 2: Convert to fraction form
    792,685.96/1,189,152.84 = 260,085.84/x
  3. Step 3: Cross multiply
    792,685.96x = 1,189,152.84 × 260,085.84
  4. Step 4: Simplify right side
    792,685.96x = 309,281,815,279.79
  5. Step 5: Solve for x
    x = 309,281,815,279.79/792,685.96
  6. Step 6: Final answer
    x = 390,169.41

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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.