Home / 806,745.12-1,210,124.60-230,366.91

Finding the Fourth Proportional to 806,745.12, 1,210,124.60 and 230,366.91

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Solution

The fourth proportional to 806,745.12, 1,210,124.60 and 230,366.91 is: 345,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,745.12 : 1,210,124.60 = 230,366.91 : x
  2. Step 2: Convert to fraction form
    806,745.12/1,210,124.60 = 230,366.91/x
  3. Step 3: Cross multiply
    806,745.12x = 1,210,124.60 × 230,366.91
  4. Step 4: Simplify right side
    806,745.12x = 278,772,664,816.99
  5. Step 5: Solve for x
    x = 278,772,664,816.99/806,745.12
  6. Step 6: Final answer
    x = 345,552.34

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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.