Home / 746,731.57-1,120,023.54-297,331.78

Finding the Fourth Proportional to 746,731.57, 1,120,023.54 and 297,331.78

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Solution

The fourth proportional to 746,731.57, 1,120,023.54 and 297,331.78 is: 445,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,731.57 : 1,120,023.54 = 297,331.78 : x
  2. Step 2: Convert to fraction form
    746,731.57/1,120,023.54 = 297,331.78/x
  3. Step 3: Cross multiply
    746,731.57x = 1,120,023.54 × 297,331.78
  4. Step 4: Simplify right side
    746,731.57x = 333,018,592,790.10
  5. Step 5: Solve for x
    x = 333,018,592,790.10/746,731.57
  6. Step 6: Final answer
    x = 445,968.28

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1.5x scale

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.