Home / 480,827.58-663,318.63-311,116.38

Finding the Fourth Proportional to 480,827.58, 663,318.63 and 311,116.38

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Solution

The fourth proportional to 480,827.58, 663,318.63 and 311,116.38 is: 429,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,827.58 : 663,318.63 = 311,116.38 : x
  2. Step 2: Convert to fraction form
    480,827.58/663,318.63 = 311,116.38/x
  3. Step 3: Cross multiply
    480,827.58x = 663,318.63 × 311,116.38
  4. Step 4: Simplify right side
    480,827.58x = 206,369,290,952.16
  5. Step 5: Solve for x
    x = 206,369,290,952.16/480,827.58
  6. Step 6: Final answer
    x = 429,196.04

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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.