Home / 611,222.06-843,444.25-339,268.55

Finding the Fourth Proportional to 611,222.06, 843,444.25 and 339,268.55

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Solution

The fourth proportional to 611,222.06, 843,444.25 and 339,268.55 is: 468,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,222.06 : 843,444.25 = 339,268.55 : x
  2. Step 2: Convert to fraction form
    611,222.06/843,444.25 = 339,268.55/x
  3. Step 3: Cross multiply
    611,222.06x = 843,444.25 × 339,268.55
  4. Step 4: Simplify right side
    611,222.06x = 286,154,102,637.95
  5. Step 5: Solve for x
    x = 286,154,102,637.95/611,222.06
  6. Step 6: Final answer
    x = 468,167.17

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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.