Home / 763,801.68-1,054,062.99-419,642.04

Finding the Fourth Proportional to 763,801.68, 1,054,062.99 and 419,642.04

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Solution

The fourth proportional to 763,801.68, 1,054,062.99 and 419,642.04 is: 579,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,801.68 : 1,054,062.99 = 419,642.04 : x
  2. Step 2: Convert to fraction form
    763,801.68/1,054,062.99 = 419,642.04/x
  3. Step 3: Cross multiply
    763,801.68x = 1,054,062.99 × 419,642.04
  4. Step 4: Simplify right side
    763,801.68x = 442,329,143,412.10
  5. Step 5: Solve for x
    x = 442,329,143,412.10/763,801.68
  6. Step 6: Final answer
    x = 579,115.17

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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.