Home / 876,419.28-1,314,774.18-307,652.81

Finding the Fourth Proportional to 876,419.28, 1,314,774.18 and 307,652.81

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Solution

The fourth proportional to 876,419.28, 1,314,774.18 and 307,652.81 is: 461,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,419.28 : 1,314,774.18 = 307,652.81 : x
  2. Step 2: Convert to fraction form
    876,419.28/1,314,774.18 = 307,652.81/x
  3. Step 3: Cross multiply
    876,419.28x = 1,314,774.18 × 307,652.81
  4. Step 4: Simplify right side
    876,419.28x = 404,493,964,418.58
  5. Step 5: Solve for x
    x = 404,493,964,418.58/876,419.28
  6. Step 6: Final answer
    x = 461,530.20

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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.