Home / 966,486.30-1,449,729.45-256,586.10

Finding the Fourth Proportional to 966,486.30, 1,449,729.45 and 256,586.10

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Solution

The fourth proportional to 966,486.30, 1,449,729.45 and 256,586.10 is: 384,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,486.30 : 1,449,729.45 = 256,586.10 : x
  2. Step 2: Convert to fraction form
    966,486.30/1,449,729.45 = 256,586.10/x
  3. Step 3: Cross multiply
    966,486.30x = 1,449,729.45 × 256,586.10
  4. Step 4: Simplify right side
    966,486.30x = 371,980,425,630.65
  5. Step 5: Solve for x
    x = 371,980,425,630.65/966,486.30
  6. Step 6: Final answer
    x = 384,879.15

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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.