Home / 874,523.28-1,311,985.80-453,705.60

Finding the Fourth Proportional to 874,523.28, 1,311,985.80 and 453,705.60

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Solution

The fourth proportional to 874,523.28, 1,311,985.80 and 453,705.60 is: 680,662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,523.28 : 1,311,985.80 = 453,705.60 : x
  2. Step 2: Convert to fraction form
    874,523.28/1,311,985.80 = 453,705.60/x
  3. Step 3: Cross multiply
    874,523.28x = 1,311,985.80 × 453,705.60
  4. Step 4: Simplify right side
    874,523.28x = 595,255,304,580.48
  5. Step 5: Solve for x
    x = 595,255,304,580.48/874,523.28
  6. Step 6: Final answer
    x = 680,662.62

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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.