Home / 916,647.25-1,375,008.14-436,628.29

Finding the Fourth Proportional to 916,647.25, 1,375,008.14 and 436,628.29

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Solution

The fourth proportional to 916,647.25, 1,375,008.14 and 436,628.29 is: 654,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,647.25 : 1,375,008.14 = 436,628.29 : x
  2. Step 2: Convert to fraction form
    916,647.25/1,375,008.14 = 436,628.29/x
  3. Step 3: Cross multiply
    916,647.25x = 1,375,008.14 × 436,628.29
  4. Step 4: Simplify right side
    916,647.25x = 600,367,452,904.28
  5. Step 5: Solve for x
    x = 600,367,452,904.28/916,647.25
  6. Step 6: Final answer
    x = 654,960.19

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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.