Home / 827,095.80-1,240,643.70-228,149.40

Finding the Fourth Proportional to 827,095.80, 1,240,643.70 and 228,149.40

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Solution

The fourth proportional to 827,095.80, 1,240,643.70 and 228,149.40 is: 342,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,095.80 : 1,240,643.70 = 228,149.40 : x
  2. Step 2: Convert to fraction form
    827,095.80/1,240,643.70 = 228,149.40/x
  3. Step 3: Cross multiply
    827,095.80x = 1,240,643.70 × 228,149.40
  4. Step 4: Simplify right side
    827,095.80x = 283,052,115,768.78
  5. Step 5: Solve for x
    x = 283,052,115,768.78/827,095.80
  6. Step 6: Final answer
    x = 342,224.10

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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.