Home / 878,704.66-1,318,064.04-575,354.56

Finding the Fourth Proportional to 878,704.66, 1,318,064.04 and 575,354.56

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Solution

The fourth proportional to 878,704.66, 1,318,064.04 and 575,354.56 is: 863,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,704.66 : 1,318,064.04 = 575,354.56 : x
  2. Step 2: Convert to fraction form
    878,704.66/1,318,064.04 = 575,354.56/x
  3. Step 3: Cross multiply
    878,704.66x = 1,318,064.04 × 575,354.56
  4. Step 4: Simplify right side
    878,704.66x = 758,354,155,786.02
  5. Step 5: Solve for x
    x = 758,354,155,786.02/878,704.66
  6. Step 6: Final answer
    x = 863,036.46

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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.