Home / 1,018,808.20-1,528,212.30-308,801.08

Finding the Fourth Proportional to 1,018,808.20, 1,528,212.30 and 308,801.08

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Solution

The fourth proportional to 1,018,808.20, 1,528,212.30 and 308,801.08 is: 463,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,808.20 : 1,528,212.30 = 308,801.08 : x
  2. Step 2: Convert to fraction form
    1,018,808.20/1,528,212.30 = 308,801.08/x
  3. Step 3: Cross multiply
    1,018,808.20x = 1,528,212.30 × 308,801.08
  4. Step 4: Simplify right side
    1,018,808.20x = 471,913,608,709.28
  5. Step 5: Solve for x
    x = 471,913,608,709.28/1,018,808.20
  6. Step 6: Final answer
    x = 463,201.62

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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.