Home / 680,491.52-1,020,051.10-427,952.48

Finding the Fourth Proportional to 680,491.52, 1,020,051.10 and 427,952.48

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Solution

The fourth proportional to 680,491.52, 1,020,051.10 and 427,952.48 is: 641,497.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,491.52 : 1,020,051.10 = 427,952.48 : x
  2. Step 2: Convert to fraction form
    680,491.52/1,020,051.10 = 427,952.48/x
  3. Step 3: Cross multiply
    680,491.52x = 1,020,051.10 × 427,952.48
  4. Step 4: Simplify right side
    680,491.52x = 436,533,397,971.73
  5. Step 5: Solve for x
    x = 436,533,397,971.73/680,491.52
  6. Step 6: Final answer
    x = 641,497.19

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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.