Home / 910,283.48-1,365,425.90-311,249.15

Finding the Fourth Proportional to 910,283.48, 1,365,425.90 and 311,249.15

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Solution

The fourth proportional to 910,283.48, 1,365,425.90 and 311,249.15 is: 466,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,283.48 : 1,365,425.90 = 311,249.15 : x
  2. Step 2: Convert to fraction form
    910,283.48/1,365,425.90 = 311,249.15/x
  3. Step 3: Cross multiply
    910,283.48x = 1,365,425.90 × 311,249.15
  4. Step 4: Simplify right side
    910,283.48x = 424,987,650,762.99
  5. Step 5: Solve for x
    x = 424,987,650,762.99/910,283.48
  6. Step 6: Final answer
    x = 466,873.96

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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.