Home / 920,723.46-1,270,662.23-558,162.60

Finding the Fourth Proportional to 920,723.46, 1,270,662.23 and 558,162.60

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Solution

The fourth proportional to 920,723.46, 1,270,662.23 and 558,162.60 is: 770,303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,723.46 : 1,270,662.23 = 558,162.60 : x
  2. Step 2: Convert to fraction form
    920,723.46/1,270,662.23 = 558,162.60/x
  3. Step 3: Cross multiply
    920,723.46x = 1,270,662.23 × 558,162.60
  4. Step 4: Simplify right side
    920,723.46x = 709,236,124,874.47
  5. Step 5: Solve for x
    x = 709,236,124,874.47/920,723.46
  6. Step 6: Final answer
    x = 770,303.09

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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.