Home / 950,263.49-1,311,363.85-520,558.90

Finding the Fourth Proportional to 950,263.49, 1,311,363.85 and 520,558.90

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Solution

The fourth proportional to 950,263.49, 1,311,363.85 and 520,558.90 is: 718,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,263.49 : 1,311,363.85 = 520,558.90 : x
  2. Step 2: Convert to fraction form
    950,263.49/1,311,363.85 = 520,558.90/x
  3. Step 3: Cross multiply
    950,263.49x = 1,311,363.85 × 520,558.90
  4. Step 4: Simplify right side
    950,263.49x = 682,642,118,675.96
  5. Step 5: Solve for x
    x = 682,642,118,675.96/950,263.49
  6. Step 6: Final answer
    x = 718,371.40

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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.