Home / 724,874.34-1,000,268.04-418,970.53

Finding the Fourth Proportional to 724,874.34, 1,000,268.04 and 418,970.53

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Solution

The fourth proportional to 724,874.34, 1,000,268.04 and 418,970.53 is: 578,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,874.34 : 1,000,268.04 = 418,970.53 : x
  2. Step 2: Convert to fraction form
    724,874.34/1,000,268.04 = 418,970.53/x
  3. Step 3: Cross multiply
    724,874.34x = 1,000,268.04 × 418,970.53
  4. Step 4: Simplify right side
    724,874.34x = 419,082,825,699.12
  5. Step 5: Solve for x
    x = 419,082,825,699.12/724,874.34
  6. Step 6: Final answer
    x = 578,145.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.