Home / 724,279.02-1,086,441.36-345,240.93

Finding the Fourth Proportional to 724,279.02, 1,086,441.36 and 345,240.93

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Solution

The fourth proportional to 724,279.02, 1,086,441.36 and 345,240.93 is: 517,872.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,279.02 : 1,086,441.36 = 345,240.93 : x
  2. Step 2: Convert to fraction form
    724,279.02/1,086,441.36 = 345,240.93/x
  3. Step 3: Cross multiply
    724,279.02x = 1,086,441.36 × 345,240.93
  4. Step 4: Simplify right side
    724,279.02x = 375,084,028,296.37
  5. Step 5: Solve for x
    x = 375,084,028,296.37/724,279.02
  6. Step 6: Final answer
    x = 517,872.28

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Double scale
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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.