Home / 749,215.96-1,122,710.46-449,345.32

Finding the Fourth Proportional to 749,215.96, 1,122,710.46 and 449,345.32

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Solution

The fourth proportional to 749,215.96, 1,122,710.46 and 449,345.32 is: 673,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,215.96 : 1,122,710.46 = 449,345.32 : x
  2. Step 2: Convert to fraction form
    749,215.96/1,122,710.46 = 449,345.32/x
  3. Step 3: Cross multiply
    749,215.96x = 1,122,710.46 × 449,345.32
  4. Step 4: Simplify right side
    749,215.96x = 504,484,690,916.05
  5. Step 5: Solve for x
    x = 504,484,690,916.05/749,215.96
  6. Step 6: Final answer
    x = 673,350.17

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Double scale
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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.