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Finding the Fourth Proportional to 605,432.40, 908,148.60 and 559,942.80

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Solution

The fourth proportional to 605,432.40, 908,148.60 and 559,942.80 is: 839,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,432.40 : 908,148.60 = 559,942.80 : x
  2. Step 2: Convert to fraction form
    605,432.40/908,148.60 = 559,942.80/x
  3. Step 3: Cross multiply
    605,432.40x = 908,148.60 × 559,942.80
  4. Step 4: Simplify right side
    605,432.40x = 508,511,269,900.08
  5. Step 5: Solve for x
    x = 508,511,269,900.08/605,432.40
  6. Step 6: Final answer
    x = 839,914.20

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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.