Home / 871,866.80-1,307,816.64-240,797.36

Finding the Fourth Proportional to 871,866.80, 1,307,816.64 and 240,797.36

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Solution

The fourth proportional to 871,866.80, 1,307,816.64 and 240,797.36 is: 361,200.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,866.80 : 1,307,816.64 = 240,797.36 : x
  2. Step 2: Convert to fraction form
    871,866.80/1,307,816.64 = 240,797.36/x
  3. Step 3: Cross multiply
    871,866.80x = 1,307,816.64 × 240,797.36
  4. Step 4: Simplify right side
    871,866.80x = 314,918,794,276.07
  5. Step 5: Solve for x
    x = 314,918,794,276.07/871,866.80
  6. Step 6: Final answer
    x = 361,200.58

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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.