Home / 748,389.72-1,122,583.37-215,913.54

Finding the Fourth Proportional to 748,389.72, 1,122,583.37 and 215,913.54

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Solution

The fourth proportional to 748,389.72, 1,122,583.37 and 215,913.54 is: 323,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,389.72 : 1,122,583.37 = 215,913.54 : x
  2. Step 2: Convert to fraction form
    748,389.72/1,122,583.37 = 215,913.54/x
  3. Step 3: Cross multiply
    748,389.72x = 1,122,583.37 × 215,913.54
  4. Step 4: Simplify right side
    748,389.72x = 242,380,948,282.26
  5. Step 5: Solve for x
    x = 242,380,948,282.26/748,389.72
  6. Step 6: Final answer
    x = 323,869.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.