Home / 669,886.20-1,004,829.30-618,564.60

Finding the Fourth Proportional to 669,886.20, 1,004,829.30 and 618,564.60

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Solution

The fourth proportional to 669,886.20, 1,004,829.30 and 618,564.60 is: 927,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,886.20 : 1,004,829.30 = 618,564.60 : x
  2. Step 2: Convert to fraction form
    669,886.20/1,004,829.30 = 618,564.60/x
  3. Step 3: Cross multiply
    669,886.20x = 1,004,829.30 × 618,564.60
  4. Step 4: Simplify right side
    669,886.20x = 621,551,834,022.78
  5. Step 5: Solve for x
    x = 621,551,834,022.78/669,886.20
  6. Step 6: Final answer
    x = 927,846.90

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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.