Home / 966,505.56-1,449,389.16-317,931

Finding the Fourth Proportional to 966,505.56, 1,449,389.16 and 317,931

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Solution

The fourth proportional to 966,505.56, 1,449,389.16 and 317,931 is: 476,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,505.56 : 1,449,389.16 = 317,931 : x
  2. Step 2: Convert to fraction form
    966,505.56/1,449,389.16 = 317,931/x
  3. Step 3: Cross multiply
    966,505.56x = 1,449,389.16 × 317,931
  4. Step 4: Simplify right side
    966,505.56x = 460,805,745,027.96
  5. Step 5: Solve for x
    x = 460,805,745,027.96/966,505.56
  6. Step 6: Final answer
    x = 476,775.06

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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.