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Finding the Fourth Proportional to 798,484, 1,101,907.92 and 440,790.56

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Solution

The fourth proportional to 798,484, 1,101,907.92 and 440,790.56 is: 608,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,484 : 1,101,907.92 = 440,790.56 : x
  2. Step 2: Convert to fraction form
    798,484/1,101,907.92 = 440,790.56/x
  3. Step 3: Cross multiply
    798,484x = 1,101,907.92 × 440,790.56
  4. Step 4: Simplify right side
    798,484x = 485,710,609,125.24
  5. Step 5: Solve for x
    x = 485,710,609,125.24/798,484
  6. Step 6: Final answer
    x = 608,290.97

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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.