Home / 914,657.44-1,371,986.16-381,888.40

Finding the Fourth Proportional to 914,657.44, 1,371,986.16 and 381,888.40

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Solution

The fourth proportional to 914,657.44, 1,371,986.16 and 381,888.40 is: 572,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,657.44 : 1,371,986.16 = 381,888.40 : x
  2. Step 2: Convert to fraction form
    914,657.44/1,371,986.16 = 381,888.40/x
  3. Step 3: Cross multiply
    914,657.44x = 1,371,986.16 × 381,888.40
  4. Step 4: Simplify right side
    914,657.44x = 523,945,599,464.54
  5. Step 5: Solve for x
    x = 523,945,599,464.54/914,657.44
  6. Step 6: Final answer
    x = 572,832.60

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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.