Home / 436,207.30-654,310.95-286,908.10

Finding the Fourth Proportional to 436,207.30, 654,310.95 and 286,908.10

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Solution

The fourth proportional to 436,207.30, 654,310.95 and 286,908.10 is: 430,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,207.30 : 654,310.95 = 286,908.10 : x
  2. Step 2: Convert to fraction form
    436,207.30/654,310.95 = 286,908.10/x
  3. Step 3: Cross multiply
    436,207.30x = 654,310.95 × 286,908.10
  4. Step 4: Simplify right side
    436,207.30x = 187,727,111,473.70
  5. Step 5: Solve for x
    x = 187,727,111,473.70/436,207.30
  6. Step 6: Final answer
    x = 430,362.15

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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.