Home / 950,166.45-1,311,234.08-520,445.25

Finding the Fourth Proportional to 950,166.45, 1,311,234.08 and 520,445.25

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Solution

The fourth proportional to 950,166.45, 1,311,234.08 and 520,445.25 is: 718,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,166.45 : 1,311,234.08 = 520,445.25 : x
  2. Step 2: Convert to fraction form
    950,166.45/1,311,234.08 = 520,445.25/x
  3. Step 3: Cross multiply
    950,166.45x = 1,311,234.08 × 520,445.25
  4. Step 4: Simplify right side
    950,166.45x = 682,425,545,971.89
  5. Step 5: Solve for x
    x = 682,425,545,971.89/950,166.45
  6. Step 6: Final answer
    x = 718,216.84

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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.