Home / 899,449.17-1,348,789.47-520,631.37

Finding the Fourth Proportional to 899,449.17, 1,348,789.47 and 520,631.37

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Solution

The fourth proportional to 899,449.17, 1,348,789.47 and 520,631.37 is: 780,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,449.17 : 1,348,789.47 = 520,631.37 : x
  2. Step 2: Convert to fraction form
    899,449.17/1,348,789.47 = 520,631.37/x
  3. Step 3: Cross multiply
    899,449.17x = 1,348,789.47 × 520,631.37
  4. Step 4: Simplify right side
    899,449.17x = 702,222,109,607.67
  5. Step 5: Solve for x
    x = 702,222,109,607.67/899,449.17
  6. Step 6: Final answer
    x = 780,724.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.