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Finding the Fourth Proportional to 803,482.96, 1,108,803.44 and 440,912.88

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Solution

The fourth proportional to 803,482.96, 1,108,803.44 and 440,912.88 is: 608,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,482.96 : 1,108,803.44 = 440,912.88 : x
  2. Step 2: Convert to fraction form
    803,482.96/1,108,803.44 = 440,912.88/x
  3. Step 3: Cross multiply
    803,482.96x = 1,108,803.44 × 440,912.88
  4. Step 4: Simplify right side
    803,482.96x = 488,885,718,084.31
  5. Step 5: Solve for x
    x = 488,885,718,084.31/803,482.96
  6. Step 6: Final answer
    x = 608,458.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.