Home / 645,027.42-967,807.68-325,008.25

Finding the Fourth Proportional to 645,027.42, 967,807.68 and 325,008.25

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Solution

The fourth proportional to 645,027.42, 967,807.68 and 325,008.25 is: 487,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,027.42 : 967,807.68 = 325,008.25 : x
  2. Step 2: Convert to fraction form
    645,027.42/967,807.68 = 325,008.25/x
  3. Step 3: Cross multiply
    645,027.42x = 967,807.68 × 325,008.25
  4. Step 4: Simplify right side
    645,027.42x = 314,545,480,413.36
  5. Step 5: Solve for x
    x = 314,545,480,413.36/645,027.42
  6. Step 6: Final answer
    x = 487,646.68

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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.