Home / 888,459.20-1,333,563.60-439,686.80

Finding the Fourth Proportional to 888,459.20, 1,333,563.60 and 439,686.80

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Solution

The fourth proportional to 888,459.20, 1,333,563.60 and 439,686.80 is: 659,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,459.20 : 1,333,563.60 = 439,686.80 : x
  2. Step 2: Convert to fraction form
    888,459.20/1,333,563.60 = 439,686.80/x
  3. Step 3: Cross multiply
    888,459.20x = 1,333,563.60 × 439,686.80
  4. Step 4: Simplify right side
    888,459.20x = 586,350,311,880.48
  5. Step 5: Solve for x
    x = 586,350,311,880.48/888,459.20
  6. Step 6: Final answer
    x = 659,963.13

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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.