Home / 940,006.80-1,410,010.20-308,984.40

Finding the Fourth Proportional to 940,006.80, 1,410,010.20 and 308,984.40

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Solution

The fourth proportional to 940,006.80, 1,410,010.20 and 308,984.40 is: 463,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,006.80 : 1,410,010.20 = 308,984.40 : x
  2. Step 2: Convert to fraction form
    940,006.80/1,410,010.20 = 308,984.40/x
  3. Step 3: Cross multiply
    940,006.80x = 1,410,010.20 × 308,984.40
  4. Step 4: Simplify right side
    940,006.80x = 435,671,155,640.88
  5. Step 5: Solve for x
    x = 435,671,155,640.88/940,006.80
  6. Step 6: Final answer
    x = 463,476.60

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Similar ratio
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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.