Home / 723,741.60-1,084,834.80-274,288.80

Finding the Fourth Proportional to 723,741.60, 1,084,834.80 and 274,288.80

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Solution

The fourth proportional to 723,741.60, 1,084,834.80 and 274,288.80 is: 411,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,741.60 : 1,084,834.80 = 274,288.80 : x
  2. Step 2: Convert to fraction form
    723,741.60/1,084,834.80 = 274,288.80/x
  3. Step 3: Cross multiply
    723,741.60x = 1,084,834.80 × 274,288.80
  4. Step 4: Simplify right side
    723,741.60x = 297,558,035,490.24
  5. Step 5: Solve for x
    x = 297,558,035,490.24/723,741.60
  6. Step 6: Final answer
    x = 411,138.50

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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.