Home / 881,454.30-1,322,181.45-383,790.30

Finding the Fourth Proportional to 881,454.30, 1,322,181.45 and 383,790.30

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Solution

The fourth proportional to 881,454.30, 1,322,181.45 and 383,790.30 is: 575,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,454.30 : 1,322,181.45 = 383,790.30 : x
  2. Step 2: Convert to fraction form
    881,454.30/1,322,181.45 = 383,790.30/x
  3. Step 3: Cross multiply
    881,454.30x = 1,322,181.45 × 383,790.30
  4. Step 4: Simplify right side
    881,454.30x = 507,440,415,349.94
  5. Step 5: Solve for x
    x = 507,440,415,349.94/881,454.30
  6. Step 6: Final answer
    x = 575,685.45

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Half scale
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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.