Home / 803,896.98-1,109,307.84-441,319.38

Finding the Fourth Proportional to 803,896.98, 1,109,307.84 and 441,319.38

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Solution

The fourth proportional to 803,896.98, 1,109,307.84 and 441,319.38 is: 608,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,896.98 : 1,109,307.84 = 441,319.38 : x
  2. Step 2: Convert to fraction form
    803,896.98/1,109,307.84 = 441,319.38/x
  3. Step 3: Cross multiply
    803,896.98x = 1,109,307.84 × 441,319.38
  4. Step 4: Simplify right side
    803,896.98x = 489,559,048,177.94
  5. Step 5: Solve for x
    x = 489,559,048,177.94/803,896.98
  6. Step 6: Final answer
    x = 608,982.32

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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.