Home / 920,993.76-1,270,622.04-558,285.36

Finding the Fourth Proportional to 920,993.76, 1,270,622.04 and 558,285.36

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Solution

The fourth proportional to 920,993.76, 1,270,622.04 and 558,285.36 is: 770,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,993.76 : 1,270,622.04 = 558,285.36 : x
  2. Step 2: Convert to fraction form
    920,993.76/1,270,622.04 = 558,285.36/x
  3. Step 3: Cross multiply
    920,993.76x = 1,270,622.04 × 558,285.36
  4. Step 4: Simplify right side
    920,993.76x = 709,369,683,025.33
  5. Step 5: Solve for x
    x = 709,369,683,025.33/920,993.76
  6. Step 6: Final answer
    x = 770,222.03

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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.