Home / 808,909.98-1,213,542.09-247,988.22

Finding the Fourth Proportional to 808,909.98, 1,213,542.09 and 247,988.22

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Solution

The fourth proportional to 808,909.98, 1,213,542.09 and 247,988.22 is: 372,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,909.98 : 1,213,542.09 = 247,988.22 : x
  2. Step 2: Convert to fraction form
    808,909.98/1,213,542.09 = 247,988.22/x
  3. Step 3: Cross multiply
    808,909.98x = 1,213,542.09 × 247,988.22
  4. Step 4: Simplify right side
    808,909.98x = 300,944,142,794.18
  5. Step 5: Solve for x
    x = 300,944,142,794.18/808,909.98
  6. Step 6: Final answer
    x = 372,036.63

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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.