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Finding the Fourth Proportional to 651,866.28, 899,529.96 and 361,492.56

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Solution

The fourth proportional to 651,866.28, 899,529.96 and 361,492.56 is: 498,834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,866.28 : 899,529.96 = 361,492.56 : x
  2. Step 2: Convert to fraction form
    651,866.28/899,529.96 = 361,492.56/x
  3. Step 3: Cross multiply
    651,866.28x = 899,529.96 × 361,492.56
  4. Step 4: Simplify right side
    651,866.28x = 325,173,388,037.10
  5. Step 5: Solve for x
    x = 325,173,388,037.10/651,866.28
  6. Step 6: Final answer
    x = 498,834.50

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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.