Home / 920,732.88-1,270,675.25-558,172.02

Finding the Fourth Proportional to 920,732.88, 1,270,675.25 and 558,172.02

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Solution

The fourth proportional to 920,732.88, 1,270,675.25 and 558,172.02 is: 770,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,732.88 : 1,270,675.25 = 558,172.02 : x
  2. Step 2: Convert to fraction form
    920,732.88/1,270,675.25 = 558,172.02/x
  3. Step 3: Cross multiply
    920,732.88x = 1,270,675.25 × 558,172.02
  4. Step 4: Simplify right side
    920,732.88x = 709,255,361,912.27
  5. Step 5: Solve for x
    x = 709,255,361,912.27/920,732.88
  6. Step 6: Final answer
    x = 770,316.10

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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.