Home / 1,299.01-1,948.53-433.30

Finding the Fourth Proportional to 1,299.01, 1,948.53 and 433.30

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Solution

The fourth proportional to 1,299.01, 1,948.53 and 433.30 is: 649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.01 : 1,948.53 = 433.30 : x
  2. Step 2: Convert to fraction form
    1,299.01/1,948.53 = 433.30/x
  3. Step 3: Cross multiply
    1,299.01x = 1,948.53 × 433.30
  4. Step 4: Simplify right side
    1,299.01x = 844,298.05
  5. Step 5: Solve for x
    x = 844,298.05/1,299.01
  6. Step 6: Final answer
    x = 649.96

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Half scale
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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.