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Finding the Fourth Proportional to 723,752.10, 1,085,300.10 and 274,323.60

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Solution

The fourth proportional to 723,752.10, 1,085,300.10 and 274,323.60 is: 411,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,752.10 : 1,085,300.10 = 274,323.60 : x
  2. Step 2: Convert to fraction form
    723,752.10/1,085,300.10 = 274,323.60/x
  3. Step 3: Cross multiply
    723,752.10x = 1,085,300.10 × 274,323.60
  4. Step 4: Simplify right side
    723,752.10x = 297,723,430,512.36
  5. Step 5: Solve for x
    x = 297,723,430,512.36/723,752.10
  6. Step 6: Final answer
    x = 411,361.06

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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.