Home / 950,450.76-1,311,622.02-520,747.16

Finding the Fourth Proportional to 950,450.76, 1,311,622.02 and 520,747.16

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Solution

The fourth proportional to 950,450.76, 1,311,622.02 and 520,747.16 is: 718,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,450.76 : 1,311,622.02 = 520,747.16 : x
  2. Step 2: Convert to fraction form
    950,450.76/1,311,622.02 = 520,747.16/x
  3. Step 3: Cross multiply
    950,450.76x = 1,311,622.02 × 520,747.16
  4. Step 4: Simplify right side
    950,450.76x = 683,023,441,908.46
  5. Step 5: Solve for x
    x = 683,023,441,908.46/950,450.76
  6. Step 6: Final answer
    x = 718,631.07

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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.