Home / 738,779.26-1,108,169.10-177,813.76

Finding the Fourth Proportional to 738,779.26, 1,108,169.10 and 177,813.76

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Solution

The fourth proportional to 738,779.26, 1,108,169.10 and 177,813.76 is: 266,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,779.26 : 1,108,169.10 = 177,813.76 : x
  2. Step 2: Convert to fraction form
    738,779.26/1,108,169.10 = 177,813.76/x
  3. Step 3: Cross multiply
    738,779.26x = 1,108,169.10 × 177,813.76
  4. Step 4: Simplify right side
    738,779.26x = 197,047,714,386.82
  5. Step 5: Solve for x
    x = 197,047,714,386.82/738,779.26
  6. Step 6: Final answer
    x = 266,720.69

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Double scale
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Similar ratio
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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.