Home / 665,904.08-999,004.12-310,724.36

Finding the Fourth Proportional to 665,904.08, 999,004.12 and 310,724.36

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Solution

The fourth proportional to 665,904.08, 999,004.12 and 310,724.36 is: 466,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,904.08 : 999,004.12 = 310,724.36 : x
  2. Step 2: Convert to fraction form
    665,904.08/999,004.12 = 310,724.36/x
  3. Step 3: Cross multiply
    665,904.08x = 999,004.12 × 310,724.36
  4. Step 4: Simplify right side
    665,904.08x = 310,414,915,824.36
  5. Step 5: Solve for x
    x = 310,414,915,824.36/665,904.08
  6. Step 6: Final answer
    x = 466,155.60

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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.