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Finding the Fourth Proportional to 550,657.32, 825,984 and 310,662.36

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Solution

The fourth proportional to 550,657.32, 825,984 and 310,662.36 is: 465,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,657.32 : 825,984 = 310,662.36 : x
  2. Step 2: Convert to fraction form
    550,657.32/825,984 = 310,662.36/x
  3. Step 3: Cross multiply
    550,657.32x = 825,984 × 310,662.36
  4. Step 4: Simplify right side
    550,657.32x = 256,602,138,762.24
  5. Step 5: Solve for x
    x = 256,602,138,762.24/550,657.32
  6. Step 6: Final answer
    x = 465,992.42

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1.5x scale

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.