Home / 806,860.60-1,210,161.30-245,764.60

Finding the Fourth Proportional to 806,860.60, 1,210,161.30 and 245,764.60

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Solution

The fourth proportional to 806,860.60, 1,210,161.30 and 245,764.60 is: 368,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,860.60 : 1,210,161.30 = 245,764.60 : x
  2. Step 2: Convert to fraction form
    806,860.60/1,210,161.30 = 245,764.60/x
  3. Step 3: Cross multiply
    806,860.60x = 1,210,161.30 × 245,764.60
  4. Step 4: Simplify right side
    806,860.60x = 297,414,807,829.98
  5. Step 5: Solve for x
    x = 297,414,807,829.98/806,860.60
  6. Step 6: Final answer
    x = 368,607.42

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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.