Home / 916,645.50-1,375,005.51-436,626.54

Finding the Fourth Proportional to 916,645.50, 1,375,005.51 and 436,626.54

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Solution

The fourth proportional to 916,645.50, 1,375,005.51 and 436,626.54 is: 654,957.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,645.50 : 1,375,005.51 = 436,626.54 : x
  2. Step 2: Convert to fraction form
    916,645.50/1,375,005.51 = 436,626.54/x
  3. Step 3: Cross multiply
    916,645.50x = 1,375,005.51 × 436,626.54
  4. Step 4: Simplify right side
    916,645.50x = 600,363,898,312.24
  5. Step 5: Solve for x
    x = 600,363,898,312.24/916,645.50
  6. Step 6: Final answer
    x = 654,957.56

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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.