Home / 669,869.70-1,004,804.55-618,548.10

Finding the Fourth Proportional to 669,869.70, 1,004,804.55 and 618,548.10

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Solution

The fourth proportional to 669,869.70, 1,004,804.55 and 618,548.10 is: 927,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,869.70 : 1,004,804.55 = 618,548.10 : x
  2. Step 2: Convert to fraction form
    669,869.70/1,004,804.55 = 618,548.10/x
  3. Step 3: Cross multiply
    669,869.70x = 1,004,804.55 × 618,548.10
  4. Step 4: Simplify right side
    669,869.70x = 621,519,945,273.86
  5. Step 5: Solve for x
    x = 621,519,945,273.86/669,869.70
  6. Step 6: Final answer
    x = 927,822.15

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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.