Home / 811,269.70-1,216,904.55-337,797.70

Finding the Fourth Proportional to 811,269.70, 1,216,904.55 and 337,797.70

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Solution

The fourth proportional to 811,269.70, 1,216,904.55 and 337,797.70 is: 506,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,269.70 : 1,216,904.55 = 337,797.70 : x
  2. Step 2: Convert to fraction form
    811,269.70/1,216,904.55 = 337,797.70/x
  3. Step 3: Cross multiply
    811,269.70x = 1,216,904.55 × 337,797.70
  4. Step 4: Simplify right side
    811,269.70x = 411,067,558,109.54
  5. Step 5: Solve for x
    x = 411,067,558,109.54/811,269.70
  6. Step 6: Final answer
    x = 506,696.55

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1.5x scale

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.