Home / 950,263.18-1,311,363.54-520,558.80

Finding the Fourth Proportional to 950,263.18, 1,311,363.54 and 520,558.80

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Solution

The fourth proportional to 950,263.18, 1,311,363.54 and 520,558.80 is: 718,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,263.18 : 1,311,363.54 = 520,558.80 : x
  2. Step 2: Convert to fraction form
    950,263.18/1,311,363.54 = 520,558.80/x
  3. Step 3: Cross multiply
    950,263.18x = 1,311,363.54 × 520,558.80
  4. Step 4: Simplify right side
    950,263.18x = 682,641,830,746.15
  5. Step 5: Solve for x
    x = 682,641,830,746.15/950,263.18
  6. Step 6: Final answer
    x = 718,371.34

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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.