Home / 723,738.10-1,084,829.55-274,285.30

Finding the Fourth Proportional to 723,738.10, 1,084,829.55 and 274,285.30

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Solution

The fourth proportional to 723,738.10, 1,084,829.55 and 274,285.30 is: 411,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,738.10 : 1,084,829.55 = 274,285.30 : x
  2. Step 2: Convert to fraction form
    723,738.10/1,084,829.55 = 274,285.30/x
  3. Step 3: Cross multiply
    723,738.10x = 1,084,829.55 × 274,285.30
  4. Step 4: Simplify right side
    723,738.10x = 297,552,798,570.62
  5. Step 5: Solve for x
    x = 297,552,798,570.62/723,738.10
  6. Step 6: Final answer
    x = 411,133.25

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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.