Home / 724,150.02-1,086,233.01-218,715.30

Finding the Fourth Proportional to 724,150.02, 1,086,233.01 and 218,715.30

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Solution

The fourth proportional to 724,150.02, 1,086,233.01 and 218,715.30 is: 328,075.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,150.02 : 1,086,233.01 = 218,715.30 : x
  2. Step 2: Convert to fraction form
    724,150.02/1,086,233.01 = 218,715.30/x
  3. Step 3: Cross multiply
    724,150.02x = 1,086,233.01 × 218,715.30
  4. Step 4: Simplify right side
    724,150.02x = 237,575,778,652.05
  5. Step 5: Solve for x
    x = 237,575,778,652.05/724,150.02
  6. Step 6: Final answer
    x = 328,075.36

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Double scale
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Similar ratio
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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.