Home / 950,669.61-1,311,901.43-520,928.97

Finding the Fourth Proportional to 950,669.61, 1,311,901.43 and 520,928.97

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Solution

The fourth proportional to 950,669.61, 1,311,901.43 and 520,928.97 is: 718,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,669.61 : 1,311,901.43 = 520,928.97 : x
  2. Step 2: Convert to fraction form
    950,669.61/1,311,901.43 = 520,928.97/x
  3. Step 3: Cross multiply
    950,669.61x = 1,311,901.43 × 520,928.97
  4. Step 4: Simplify right side
    950,669.61x = 683,407,458,066.78
  5. Step 5: Solve for x
    x = 683,407,458,066.78/950,669.61
  6. Step 6: Final answer
    x = 718,869.57

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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.