Home / 808,632.80-1,211,345.40-708,905.60

Finding the Fourth Proportional to 808,632.80, 1,211,345.40 and 708,905.60

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Solution

The fourth proportional to 808,632.80, 1,211,345.40 and 708,905.60 is: 1,061,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,632.80 : 1,211,345.40 = 708,905.60 : x
  2. Step 2: Convert to fraction form
    808,632.80/1,211,345.40 = 708,905.60/x
  3. Step 3: Cross multiply
    808,632.80x = 1,211,345.40 × 708,905.60
  4. Step 4: Simplify right side
    808,632.80x = 858,729,537,594.24
  5. Step 5: Solve for x
    x = 858,729,537,594.24/808,632.80
  6. Step 6: Final answer
    x = 1,061,952.39

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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.