Home / 723,924.19-999,101.55-418,074.94

Finding the Fourth Proportional to 723,924.19, 999,101.55 and 418,074.94

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Solution

The fourth proportional to 723,924.19, 999,101.55 and 418,074.94 is: 576,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,924.19 : 999,101.55 = 418,074.94 : x
  2. Step 2: Convert to fraction form
    723,924.19/999,101.55 = 418,074.94/x
  3. Step 3: Cross multiply
    723,924.19x = 999,101.55 × 418,074.94
  4. Step 4: Simplify right side
    723,924.19x = 417,699,320,570.16
  5. Step 5: Solve for x
    x = 417,699,320,570.16/723,924.19
  6. Step 6: Final answer
    x = 576,993.18

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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.