Home / 876,891.60-1,315,337.40-245,912.40

Finding the Fourth Proportional to 876,891.60, 1,315,337.40 and 245,912.40

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Solution

The fourth proportional to 876,891.60, 1,315,337.40 and 245,912.40 is: 368,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,891.60 : 1,315,337.40 = 245,912.40 : x
  2. Step 2: Convert to fraction form
    876,891.60/1,315,337.40 = 245,912.40/x
  3. Step 3: Cross multiply
    876,891.60x = 1,315,337.40 × 245,912.40
  4. Step 4: Simplify right side
    876,891.60x = 323,457,776,843.76
  5. Step 5: Solve for x
    x = 323,457,776,843.76/876,891.60
  6. Step 6: Final answer
    x = 368,868.60

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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.