Home / 816,292.32-1,224,448.76-217,249.80

Finding the Fourth Proportional to 816,292.32, 1,224,448.76 and 217,249.80

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Solution

The fourth proportional to 816,292.32, 1,224,448.76 and 217,249.80 is: 325,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,292.32 : 1,224,448.76 = 217,249.80 : x
  2. Step 2: Convert to fraction form
    816,292.32/1,224,448.76 = 217,249.80/x
  3. Step 3: Cross multiply
    816,292.32x = 1,224,448.76 × 217,249.80
  4. Step 4: Simplify right side
    816,292.32x = 266,011,248,220.25
  5. Step 5: Solve for x
    x = 266,011,248,220.25/816,292.32
  6. Step 6: Final answer
    x = 325,877.44

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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.