Home / 910,639.20-1,365,037.20-536,469.60

Finding the Fourth Proportional to 910,639.20, 1,365,037.20 and 536,469.60

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Solution

The fourth proportional to 910,639.20, 1,365,037.20 and 536,469.60 is: 804,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,639.20 : 1,365,037.20 = 536,469.60 : x
  2. Step 2: Convert to fraction form
    910,639.20/1,365,037.20 = 536,469.60/x
  3. Step 3: Cross multiply
    910,639.20x = 1,365,037.20 × 536,469.60
  4. Step 4: Simplify right side
    910,639.20x = 732,300,960,669.12
  5. Step 5: Solve for x
    x = 732,300,960,669.12/910,639.20
  6. Step 6: Final answer
    x = 804,161.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.