Home / 809,833.71-1,117,570.50-470,323.83

Finding the Fourth Proportional to 809,833.71, 1,117,570.50 and 470,323.83

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Solution

The fourth proportional to 809,833.71, 1,117,570.50 and 470,323.83 is: 649,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,833.71 : 1,117,570.50 = 470,323.83 : x
  2. Step 2: Convert to fraction form
    809,833.71/1,117,570.50 = 470,323.83/x
  3. Step 3: Cross multiply
    809,833.71x = 1,117,570.50 × 470,323.83
  4. Step 4: Simplify right side
    809,833.71x = 525,620,037,855.02
  5. Step 5: Solve for x
    x = 525,620,037,855.02/809,833.71
  6. Step 6: Final answer
    x = 649,046.87

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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.