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Finding the Fourth Proportional to 615,014.08, 921,847.20 and 240,625.60

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Solution

The fourth proportional to 615,014.08, 921,847.20 and 240,625.60 is: 360,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,014.08 : 921,847.20 = 240,625.60 : x
  2. Step 2: Convert to fraction form
    615,014.08/921,847.20 = 240,625.60/x
  3. Step 3: Cross multiply
    615,014.08x = 921,847.20 × 240,625.60
  4. Step 4: Simplify right side
    615,014.08x = 221,820,035,608.32
  5. Step 5: Solve for x
    x = 221,820,035,608.32/615,014.08
  6. Step 6: Final answer
    x = 360,674.73

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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.