Home / 921,468.49-1,382,825.51-322,434.83

Finding the Fourth Proportional to 921,468.49, 1,382,825.51 and 322,434.83

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Solution

The fourth proportional to 921,468.49, 1,382,825.51 and 322,434.83 is: 483,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,468.49 : 1,382,825.51 = 322,434.83 : x
  2. Step 2: Convert to fraction form
    921,468.49/1,382,825.51 = 322,434.83/x
  3. Step 3: Cross multiply
    921,468.49x = 1,382,825.51 × 322,434.83
  4. Step 4: Simplify right side
    921,468.49x = 445,871,115,782.41
  5. Step 5: Solve for x
    x = 445,871,115,782.41/921,468.49
  6. Step 6: Final answer
    x = 483,870.17

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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.