Home / 611,476.07-843,808.79-339,561.35

Finding the Fourth Proportional to 611,476.07, 843,808.79 and 339,561.35

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Solution

The fourth proportional to 611,476.07, 843,808.79 and 339,561.35 is: 468,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,476.07 : 843,808.79 = 339,561.35 : x
  2. Step 2: Convert to fraction form
    611,476.07/843,808.79 = 339,561.35/x
  3. Step 3: Cross multiply
    611,476.07x = 843,808.79 × 339,561.35
  4. Step 4: Simplify right side
    611,476.07x = 286,524,851,874.27
  5. Step 5: Solve for x
    x = 286,524,851,874.27/611,476.07
  6. Step 6: Final answer
    x = 468,579.01

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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.