Home / 738,779.07-1,108,168.91-177,813.57

Finding the Fourth Proportional to 738,779.07, 1,108,168.91 and 177,813.57

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Solution

The fourth proportional to 738,779.07, 1,108,168.91 and 177,813.57 is: 266,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,779.07 : 1,108,168.91 = 177,813.57 : x
  2. Step 2: Convert to fraction form
    738,779.07/1,108,168.91 = 177,813.57/x
  3. Step 3: Cross multiply
    738,779.07x = 1,108,168.91 × 177,813.57
  4. Step 4: Simplify right side
    738,779.07x = 197,047,470,050.11
  5. Step 5: Solve for x
    x = 197,047,470,050.11/738,779.07
  6. Step 6: Final answer
    x = 266,720.43

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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.