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Finding the Fourth Proportional to 559,205.60, 838,589.70 and 204,036.80

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Solution

The fourth proportional to 559,205.60, 838,589.70 and 204,036.80 is: 305,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,205.60 : 838,589.70 = 204,036.80 : x
  2. Step 2: Convert to fraction form
    559,205.60/838,589.70 = 204,036.80/x
  3. Step 3: Cross multiply
    559,205.60x = 838,589.70 × 204,036.80
  4. Step 4: Simplify right side
    559,205.60x = 171,103,158,900.96
  5. Step 5: Solve for x
    x = 171,103,158,900.96/559,205.60
  6. Step 6: Final answer
    x = 305,975.40

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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.