Home / 831,249.55-1,147,101.37-468,670.20

Finding the Fourth Proportional to 831,249.55, 1,147,101.37 and 468,670.20

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Solution

The fourth proportional to 831,249.55, 1,147,101.37 and 468,670.20 is: 646,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,249.55 : 1,147,101.37 = 468,670.20 : x
  2. Step 2: Convert to fraction form
    831,249.55/1,147,101.37 = 468,670.20/x
  3. Step 3: Cross multiply
    831,249.55x = 1,147,101.37 × 468,670.20
  4. Step 4: Simplify right side
    831,249.55x = 537,612,228,498.17
  5. Step 5: Solve for x
    x = 537,612,228,498.17/831,249.55
  6. Step 6: Final answer
    x = 646,751.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.