Home / 887,655.05-1,330,607.77-438,007.85

Finding the Fourth Proportional to 887,655.05, 1,330,607.77 and 438,007.85

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Solution

The fourth proportional to 887,655.05, 1,330,607.77 and 438,007.85 is: 656,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,655.05 : 1,330,607.77 = 438,007.85 : x
  2. Step 2: Convert to fraction form
    887,655.05/1,330,607.77 = 438,007.85/x
  3. Step 3: Cross multiply
    887,655.05x = 1,330,607.77 × 438,007.85
  4. Step 4: Simplify right side
    887,655.05x = 582,816,648,531.00
  5. Step 5: Solve for x
    x = 582,816,648,531.00/887,655.05
  6. Step 6: Final answer
    x = 656,580.11

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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.