Home / 677,584.98-1,015,022.36-407,564.02

Finding the Fourth Proportional to 677,584.98, 1,015,022.36 and 407,564.02

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Solution

The fourth proportional to 677,584.98, 1,015,022.36 and 407,564.02 is: 610,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,584.98 : 1,015,022.36 = 407,564.02 : x
  2. Step 2: Convert to fraction form
    677,584.98/1,015,022.36 = 407,564.02/x
  3. Step 3: Cross multiply
    677,584.98x = 1,015,022.36 × 407,564.02
  4. Step 4: Simplify right side
    677,584.98x = 413,686,588,856.11
  5. Step 5: Solve for x
    x = 413,686,588,856.11/677,584.98
  6. Step 6: Final answer
    x = 610,530.93

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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.