Home / 921,306.04-1,382,083.80-322,126.36

Finding the Fourth Proportional to 921,306.04, 1,382,083.80 and 322,126.36

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Solution

The fourth proportional to 921,306.04, 1,382,083.80 and 322,126.36 is: 483,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,306.04 : 1,382,083.80 = 322,126.36 : x
  2. Step 2: Convert to fraction form
    921,306.04/1,382,083.80 = 322,126.36/x
  3. Step 3: Cross multiply
    921,306.04x = 1,382,083.80 × 322,126.36
  4. Step 4: Simplify right side
    921,306.04x = 445,205,623,708.97
  5. Step 5: Solve for x
    x = 445,205,623,708.97/921,306.04
  6. Step 6: Final answer
    x = 483,233.15

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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.