Home / 930,487.77-1,284,560.78-626,164.29

Finding the Fourth Proportional to 930,487.77, 1,284,560.78 and 626,164.29

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Solution

The fourth proportional to 930,487.77, 1,284,560.78 and 626,164.29 is: 864,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,487.77 : 1,284,560.78 = 626,164.29 : x
  2. Step 2: Convert to fraction form
    930,487.77/1,284,560.78 = 626,164.29/x
  3. Step 3: Cross multiply
    930,487.77x = 1,284,560.78 × 626,164.29
  4. Step 4: Simplify right side
    930,487.77x = 804,346,085,639.73
  5. Step 5: Solve for x
    x = 804,346,085,639.73/930,487.77
  6. Step 6: Final answer
    x = 864,434.88

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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.