Home / 758,529.78-1,046,767.91-418,998.03

Finding the Fourth Proportional to 758,529.78, 1,046,767.91 and 418,998.03

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Solution

The fourth proportional to 758,529.78, 1,046,767.91 and 418,998.03 is: 578,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,529.78 : 1,046,767.91 = 418,998.03 : x
  2. Step 2: Convert to fraction form
    758,529.78/1,046,767.91 = 418,998.03/x
  3. Step 3: Cross multiply
    758,529.78x = 1,046,767.91 × 418,998.03
  4. Step 4: Simplify right side
    758,529.78x = 438,593,690,062.23
  5. Step 5: Solve for x
    x = 438,593,690,062.23/758,529.78
  6. Step 6: Final answer
    x = 578,215.52

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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.