Home / 910,452.60-1,365,678.90-311,214.60

Finding the Fourth Proportional to 910,452.60, 1,365,678.90 and 311,214.60

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Solution

The fourth proportional to 910,452.60, 1,365,678.90 and 311,214.60 is: 466,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,452.60 : 1,365,678.90 = 311,214.60 : x
  2. Step 2: Convert to fraction form
    910,452.60/1,365,678.90 = 311,214.60/x
  3. Step 3: Cross multiply
    910,452.60x = 1,365,678.90 × 311,214.60
  4. Step 4: Simplify right side
    910,452.60x = 425,019,212,591.94
  5. Step 5: Solve for x
    x = 425,019,212,591.94/910,452.60
  6. Step 6: Final answer
    x = 466,821.90

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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.