Home / 899,018.70-1,348,724.97-338,053.20

Finding the Fourth Proportional to 899,018.70, 1,348,724.97 and 338,053.20

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Solution

The fourth proportional to 899,018.70, 1,348,724.97 and 338,053.20 is: 507,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,018.70 : 1,348,724.97 = 338,053.20 : x
  2. Step 2: Convert to fraction form
    899,018.70/1,348,724.97 = 338,053.20/x
  3. Step 3: Cross multiply
    899,018.70x = 1,348,724.97 × 338,053.20
  4. Step 4: Simplify right side
    899,018.70x = 455,940,792,028.40
  5. Step 5: Solve for x
    x = 455,940,792,028.40/899,018.70
  6. Step 6: Final answer
    x = 507,153.85

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Double scale
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Similar ratio
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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.