Home / 738,686.44-1,108,029.59-177,720.94

Finding the Fourth Proportional to 738,686.44, 1,108,029.59 and 177,720.94

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Solution

The fourth proportional to 738,686.44, 1,108,029.59 and 177,720.94 is: 266,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,686.44 : 1,108,029.59 = 177,720.94 : x
  2. Step 2: Convert to fraction form
    738,686.44/1,108,029.59 = 177,720.94/x
  3. Step 3: Cross multiply
    738,686.44x = 1,108,029.59 × 177,720.94
  4. Step 4: Simplify right side
    738,686.44x = 196,920,060,282.62
  5. Step 5: Solve for x
    x = 196,920,060,282.62/738,686.44
  6. Step 6: Final answer
    x = 266,581.39

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1.5x scale

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.