Home / 847,379.10-1,275,685.55-731,672.22

Finding the Fourth Proportional to 847,379.10, 1,275,685.55 and 731,672.22

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Solution

The fourth proportional to 847,379.10, 1,275,685.55 and 731,672.22 is: 1,101,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,379.10 : 1,275,685.55 = 731,672.22 : x
  2. Step 2: Convert to fraction form
    847,379.10/1,275,685.55 = 731,672.22/x
  3. Step 3: Cross multiply
    847,379.10x = 1,275,685.55 × 731,672.22
  4. Step 4: Simplify right side
    847,379.10x = 933,383,674,732.06
  5. Step 5: Solve for x
    x = 933,383,674,732.06/847,379.10
  6. Step 6: Final answer
    x = 1,101,494.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.