Home / 680,648.51-1,020,734.64-200,748.98

Finding the Fourth Proportional to 680,648.51, 1,020,734.64 and 200,748.98

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Solution

The fourth proportional to 680,648.51, 1,020,734.64 and 200,748.98 is: 301,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,648.51 : 1,020,734.64 = 200,748.98 : x
  2. Step 2: Convert to fraction form
    680,648.51/1,020,734.64 = 200,748.98/x
  3. Step 3: Cross multiply
    680,648.51x = 1,020,734.64 × 200,748.98
  4. Step 4: Simplify right side
    680,648.51x = 204,911,432,726.99
  5. Step 5: Solve for x
    x = 204,911,432,726.99/680,648.51
  6. Step 6: Final answer
    x = 301,053.23

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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.