Home / 913,457.28-1,369,845.12-314,248.96

Finding the Fourth Proportional to 913,457.28, 1,369,845.12 and 314,248.96

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Solution

The fourth proportional to 913,457.28, 1,369,845.12 and 314,248.96 is: 471,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,457.28 : 1,369,845.12 = 314,248.96 : x
  2. Step 2: Convert to fraction form
    913,457.28/1,369,845.12 = 314,248.96/x
  3. Step 3: Cross multiply
    913,457.28x = 1,369,845.12 × 314,248.96
  4. Step 4: Simplify right side
    913,457.28x = 430,472,404,321.08
  5. Step 5: Solve for x
    x = 430,472,404,321.08/913,457.28
  6. Step 6: Final answer
    x = 471,256.20

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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.