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Finding the Fourth Proportional to 897,026.36, 1,345,761 and 265,940.15

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Solution

The fourth proportional to 897,026.36, 1,345,761 and 265,940.15 is: 398,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,026.36 : 1,345,761 = 265,940.15 : x
  2. Step 2: Convert to fraction form
    897,026.36/1,345,761 = 265,940.15/x
  3. Step 3: Cross multiply
    897,026.36x = 1,345,761 × 265,940.15
  4. Step 4: Simplify right side
    897,026.36x = 357,891,875,475.35
  5. Step 5: Solve for x
    x = 357,891,875,475.35/897,026.36
  6. Step 6: Final answer
    x = 398,975.88

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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.