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Finding the Fourth Proportional to 547,773.60, 821,660.40 and 370,826.40

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Solution

The fourth proportional to 547,773.60, 821,660.40 and 370,826.40 is: 556,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,773.60 : 821,660.40 = 370,826.40 : x
  2. Step 2: Convert to fraction form
    547,773.60/821,660.40 = 370,826.40/x
  3. Step 3: Cross multiply
    547,773.60x = 821,660.40 × 370,826.40
  4. Step 4: Simplify right side
    547,773.60x = 304,693,368,154.56
  5. Step 5: Solve for x
    x = 304,693,368,154.56/547,773.60
  6. Step 6: Final answer
    x = 556,239.60

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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.