Home / 747,391.73-1,120,544.48-297,977.81

Finding the Fourth Proportional to 747,391.73, 1,120,544.48 and 297,977.81

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Solution

The fourth proportional to 747,391.73, 1,120,544.48 and 297,977.81 is: 446,750.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,391.73 : 1,120,544.48 = 297,977.81 : x
  2. Step 2: Convert to fraction form
    747,391.73/1,120,544.48 = 297,977.81/x
  3. Step 3: Cross multiply
    747,391.73x = 1,120,544.48 × 297,977.81
  4. Step 4: Simplify right side
    747,391.73x = 333,897,385,300.21
  5. Step 5: Solve for x
    x = 333,897,385,300.21/747,391.73
  6. Step 6: Final answer
    x = 446,750.18

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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.