Home / 651,861.20-899,552.40-361,471.16

Finding the Fourth Proportional to 651,861.20, 899,552.40 and 361,471.16

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Solution

The fourth proportional to 651,861.20, 899,552.40 and 361,471.16 is: 498,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,861.20 : 899,552.40 = 361,471.16 : x
  2. Step 2: Convert to fraction form
    651,861.20/899,552.40 = 361,471.16/x
  3. Step 3: Cross multiply
    651,861.20x = 899,552.40 × 361,471.16
  4. Step 4: Simplify right side
    651,861.20x = 325,162,249,508.78
  5. Step 5: Solve for x
    x = 325,162,249,508.78/651,861.20
  6. Step 6: Final answer
    x = 498,821.30

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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.