Home / 847,377.60-1,275,683.28-731,670.72

Finding the Fourth Proportional to 847,377.60, 1,275,683.28 and 731,670.72

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Solution

The fourth proportional to 847,377.60, 1,275,683.28 and 731,670.72 is: 1,101,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,377.60 : 1,275,683.28 = 731,670.72 : x
  2. Step 2: Convert to fraction form
    847,377.60/1,275,683.28 = 731,670.72/x
  3. Step 3: Cross multiply
    847,377.60x = 1,275,683.28 × 731,670.72
  4. Step 4: Simplify right side
    847,377.60x = 933,380,103,969.56
  5. Step 5: Solve for x
    x = 933,380,103,969.56/847,377.60
  6. Step 6: Final answer
    x = 1,101,492.54

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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.