Home / 974,505.20-1,461,239.40-412,905.20

Finding the Fourth Proportional to 974,505.20, 1,461,239.40 and 412,905.20

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Solution

The fourth proportional to 974,505.20, 1,461,239.40 and 412,905.20 is: 619,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,505.20 : 1,461,239.40 = 412,905.20 : x
  2. Step 2: Convert to fraction form
    974,505.20/1,461,239.40 = 412,905.20/x
  3. Step 3: Cross multiply
    974,505.20x = 1,461,239.40 × 412,905.20
  4. Step 4: Simplify right side
    974,505.20x = 603,353,346,704.88
  5. Step 5: Solve for x
    x = 603,353,346,704.88/974,505.20
  6. Step 6: Final answer
    x = 619,138.15

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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.