Home / 876,724.38-1,315,099.56-245,598.30

Finding the Fourth Proportional to 876,724.38, 1,315,099.56 and 245,598.30

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Solution

The fourth proportional to 876,724.38, 1,315,099.56 and 245,598.30 is: 368,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,724.38 : 1,315,099.56 = 245,598.30 : x
  2. Step 2: Convert to fraction form
    876,724.38/1,315,099.56 = 245,598.30/x
  3. Step 3: Cross multiply
    876,724.38x = 1,315,099.56 × 245,598.30
  4. Step 4: Simplify right side
    876,724.38x = 322,986,216,266.75
  5. Step 5: Solve for x
    x = 322,986,216,266.75/876,724.38
  6. Step 6: Final answer
    x = 368,401.09

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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.