Home / 808,616.79-1,211,982.01-608,293.06

Finding the Fourth Proportional to 808,616.79, 1,211,982.01 and 608,293.06

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Solution

The fourth proportional to 808,616.79, 1,211,982.01 and 608,293.06 is: 911,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,616.79 : 1,211,982.01 = 608,293.06 : x
  2. Step 2: Convert to fraction form
    808,616.79/1,211,982.01 = 608,293.06/x
  3. Step 3: Cross multiply
    808,616.79x = 1,211,982.01 × 608,293.06
  4. Step 4: Simplify right side
    808,616.79x = 737,240,240,977.16
  5. Step 5: Solve for x
    x = 737,240,240,977.16/808,616.79
  6. Step 6: Final answer
    x = 911,730.07

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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.