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Finding the Fourth Proportional to 896,886.72, 1,345,100.88 and 265,652.88

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Solution

The fourth proportional to 896,886.72, 1,345,100.88 and 265,652.88 is: 398,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,886.72 : 1,345,100.88 = 265,652.88 : x
  2. Step 2: Convert to fraction form
    896,886.72/1,345,100.88 = 265,652.88/x
  3. Step 3: Cross multiply
    896,886.72x = 1,345,100.88 × 265,652.88
  4. Step 4: Simplify right side
    896,886.72x = 357,329,922,662.53
  5. Step 5: Solve for x
    x = 357,329,922,662.53/896,886.72
  6. Step 6: Final answer
    x = 398,411.43

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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.