Home / 775,870.43-1,070,694.19-436,331.39

Finding the Fourth Proportional to 775,870.43, 1,070,694.19 and 436,331.39

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Solution

The fourth proportional to 775,870.43, 1,070,694.19 and 436,331.39 is: 602,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,870.43 : 1,070,694.19 = 436,331.39 : x
  2. Step 2: Convert to fraction form
    775,870.43/1,070,694.19 = 436,331.39/x
  3. Step 3: Cross multiply
    775,870.43x = 1,070,694.19 × 436,331.39
  4. Step 4: Simplify right side
    775,870.43x = 467,177,484,187.62
  5. Step 5: Solve for x
    x = 467,177,484,187.62/775,870.43
  6. Step 6: Final answer
    x = 602,133.38

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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.