Home / 876,244.40-1,314,366.60-315,076.40

Finding the Fourth Proportional to 876,244.40, 1,314,366.60 and 315,076.40

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Solution

The fourth proportional to 876,244.40, 1,314,366.60 and 315,076.40 is: 472,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,244.40 : 1,314,366.60 = 315,076.40 : x
  2. Step 2: Convert to fraction form
    876,244.40/1,314,366.60 = 315,076.40/x
  3. Step 3: Cross multiply
    876,244.40x = 1,314,366.60 × 315,076.40
  4. Step 4: Simplify right side
    876,244.40x = 414,125,896,608.24
  5. Step 5: Solve for x
    x = 414,125,896,608.24/876,244.40
  6. Step 6: Final answer
    x = 472,614.60

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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.