Home / 809,891.52-1,117,461.60-470,158.08

Finding the Fourth Proportional to 809,891.52, 1,117,461.60 and 470,158.08

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Solution

The fourth proportional to 809,891.52, 1,117,461.60 and 470,158.08 is: 648,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,891.52 : 1,117,461.60 = 470,158.08 : x
  2. Step 2: Convert to fraction form
    809,891.52/1,117,461.60 = 470,158.08/x
  3. Step 3: Cross multiply
    809,891.52x = 1,117,461.60 × 470,158.08
  4. Step 4: Simplify right side
    809,891.52x = 525,383,600,329.73
  5. Step 5: Solve for x
    x = 525,383,600,329.73/809,891.52
  6. Step 6: Final answer
    x = 648,708.61

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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.