Home / 820,199.70-1,230,299.55-740,483.55

Finding the Fourth Proportional to 820,199.70, 1,230,299.55 and 740,483.55

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Solution

The fourth proportional to 820,199.70, 1,230,299.55 and 740,483.55 is: 1,110,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,199.70 : 1,230,299.55 = 740,483.55 : x
  2. Step 2: Convert to fraction form
    820,199.70/1,230,299.55 = 740,483.55/x
  3. Step 3: Cross multiply
    820,199.70x = 1,230,299.55 × 740,483.55
  4. Step 4: Simplify right side
    820,199.70x = 911,016,578,347.40
  5. Step 5: Solve for x
    x = 911,016,578,347.40/820,199.70
  6. Step 6: Final answer
    x = 1,110,725.33

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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.