Home / 572,988.52-789,723.26-419,701.04

Finding the Fourth Proportional to 572,988.52, 789,723.26 and 419,701.04

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Solution

The fourth proportional to 572,988.52, 789,723.26 and 419,701.04 is: 578,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,988.52 : 789,723.26 = 419,701.04 : x
  2. Step 2: Convert to fraction form
    572,988.52/789,723.26 = 419,701.04/x
  3. Step 3: Cross multiply
    572,988.52x = 789,723.26 × 419,701.04
  4. Step 4: Simplify right side
    572,988.52x = 331,447,673,534.19
  5. Step 5: Solve for x
    x = 331,447,673,534.19/572,988.52
  6. Step 6: Final answer
    x = 578,454.30

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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.