Home / 803,000.84-1,108,181.79-440,458.43

Finding the Fourth Proportional to 803,000.84, 1,108,181.79 and 440,458.43

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Solution

The fourth proportional to 803,000.84, 1,108,181.79 and 440,458.43 is: 607,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,000.84 : 1,108,181.79 = 440,458.43 : x
  2. Step 2: Convert to fraction form
    803,000.84/1,108,181.79 = 440,458.43/x
  3. Step 3: Cross multiply
    803,000.84x = 1,108,181.79 × 440,458.43
  4. Step 4: Simplify right side
    803,000.84x = 488,108,005,837.08
  5. Step 5: Solve for x
    x = 488,108,005,837.08/803,000.84
  6. Step 6: Final answer
    x = 607,854.92

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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.