Home / 891,056.10-1,336,584.15-260,033.70

Finding the Fourth Proportional to 891,056.10, 1,336,584.15 and 260,033.70

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Solution

The fourth proportional to 891,056.10, 1,336,584.15 and 260,033.70 is: 390,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,056.10 : 1,336,584.15 = 260,033.70 : x
  2. Step 2: Convert to fraction form
    891,056.10/1,336,584.15 = 260,033.70/x
  3. Step 3: Cross multiply
    891,056.10x = 1,336,584.15 × 260,033.70
  4. Step 4: Simplify right side
    891,056.10x = 347,556,921,885.86
  5. Step 5: Solve for x
    x = 347,556,921,885.86/891,056.10
  6. Step 6: Final answer
    x = 390,050.55

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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.