Home / 829,073.80-1,144,121.78-471,377.80

Finding the Fourth Proportional to 829,073.80, 1,144,121.78 and 471,377.80

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Solution

The fourth proportional to 829,073.80, 1,144,121.78 and 471,377.80 is: 650,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,073.80 : 1,144,121.78 = 471,377.80 : x
  2. Step 2: Convert to fraction form
    829,073.80/1,144,121.78 = 471,377.80/x
  3. Step 3: Cross multiply
    829,073.80x = 1,144,121.78 × 471,377.80
  4. Step 4: Simplify right side
    829,073.80x = 539,313,607,588.48
  5. Step 5: Solve for x
    x = 539,313,607,588.48/829,073.80
  6. Step 6: Final answer
    x = 650,501.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.