Home / 680,897.85-1,020,774.96-296,359.46

Finding the Fourth Proportional to 680,897.85, 1,020,774.96 and 296,359.46

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Solution

The fourth proportional to 680,897.85, 1,020,774.96 and 296,359.46 is: 444,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,897.85 : 1,020,774.96 = 296,359.46 : x
  2. Step 2: Convert to fraction form
    680,897.85/1,020,774.96 = 296,359.46/x
  3. Step 3: Cross multiply
    680,897.85x = 1,020,774.96 × 296,359.46
  4. Step 4: Simplify right side
    680,897.85x = 302,516,314,651.15
  5. Step 5: Solve for x
    x = 302,516,314,651.15/680,897.85
  6. Step 6: Final answer
    x = 444,290.31

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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.