Home / 651,859.20-899,549.64-361,469.16

Finding the Fourth Proportional to 651,859.20, 899,549.64 and 361,469.16

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Solution

The fourth proportional to 651,859.20, 899,549.64 and 361,469.16 is: 498,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,859.20 : 899,549.64 = 361,469.16 : x
  2. Step 2: Convert to fraction form
    651,859.20/899,549.64 = 361,469.16/x
  3. Step 3: Cross multiply
    651,859.20x = 899,549.64 × 361,469.16
  4. Step 4: Simplify right side
    651,859.20x = 325,159,452,749.10
  5. Step 5: Solve for x
    x = 325,159,452,749.10/651,859.20
  6. Step 6: Final answer
    x = 498,818.54

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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.