Home / 916,643.25-1,375,002.14-436,624.29

Finding the Fourth Proportional to 916,643.25, 1,375,002.14 and 436,624.29

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Solution

The fourth proportional to 916,643.25, 1,375,002.14 and 436,624.29 is: 654,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,643.25 : 1,375,002.14 = 436,624.29 : x
  2. Step 2: Convert to fraction form
    916,643.25/1,375,002.14 = 436,624.29/x
  3. Step 3: Cross multiply
    916,643.25x = 1,375,002.14 × 436,624.29
  4. Step 4: Simplify right side
    916,643.25x = 600,359,330,942.86
  5. Step 5: Solve for x
    x = 600,359,330,942.86/916,643.25
  6. Step 6: Final answer
    x = 654,954.18

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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.