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Finding the Fourth Proportional to 480,381.12, 663,224.64 and 333,472.32

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Solution

The fourth proportional to 480,381.12, 663,224.64 and 333,472.32 is: 460,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,381.12 : 663,224.64 = 333,472.32 : x
  2. Step 2: Convert to fraction form
    480,381.12/663,224.64 = 333,472.32/x
  3. Step 3: Cross multiply
    480,381.12x = 663,224.64 × 333,472.32
  4. Step 4: Simplify right side
    480,381.12x = 221,167,059,381.97
  5. Step 5: Solve for x
    x = 221,167,059,381.97/480,381.12
  6. Step 6: Final answer
    x = 460,399.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.