Home / 748,471.05-1,122,690.45-208,712.95

Finding the Fourth Proportional to 748,471.05, 1,122,690.45 and 208,712.95

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Solution

The fourth proportional to 748,471.05, 1,122,690.45 and 208,712.95 is: 313,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,471.05 : 1,122,690.45 = 208,712.95 : x
  2. Step 2: Convert to fraction form
    748,471.05/1,122,690.45 = 208,712.95/x
  3. Step 3: Cross multiply
    748,471.05x = 1,122,690.45 × 208,712.95
  4. Step 4: Simplify right side
    748,471.05x = 234,320,035,756.33
  5. Step 5: Solve for x
    x = 234,320,035,756.33/748,471.05
  6. Step 6: Final answer
    x = 313,064.93

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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.