Home / 862,912.18-1,190,859.59-480,941.70

Finding the Fourth Proportional to 862,912.18, 1,190,859.59 and 480,941.70

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Solution

The fourth proportional to 862,912.18, 1,190,859.59 and 480,941.70 is: 663,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,912.18 : 1,190,859.59 = 480,941.70 : x
  2. Step 2: Convert to fraction form
    862,912.18/1,190,859.59 = 480,941.70/x
  3. Step 3: Cross multiply
    862,912.18x = 1,190,859.59 × 480,941.70
  4. Step 4: Simplify right side
    862,912.18x = 572,734,027,316.90
  5. Step 5: Solve for x
    x = 572,734,027,316.90/862,912.18
  6. Step 6: Final answer
    x = 663,722.27

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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.