Home / 890,662.50-1,229,192.01-488,332.26

Finding the Fourth Proportional to 890,662.50, 1,229,192.01 and 488,332.26

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Solution

The fourth proportional to 890,662.50, 1,229,192.01 and 488,332.26 is: 673,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,662.50 : 1,229,192.01 = 488,332.26 : x
  2. Step 2: Convert to fraction form
    890,662.50/1,229,192.01 = 488,332.26/x
  3. Step 3: Cross multiply
    890,662.50x = 1,229,192.01 × 488,332.26
  4. Step 4: Simplify right side
    890,662.50x = 600,254,112,217.24
  5. Step 5: Solve for x
    x = 600,254,112,217.24/890,662.50
  6. Step 6: Final answer
    x = 673,941.15

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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.