Home / 915,724.44-1,373,783.22-308,572.74

Finding the Fourth Proportional to 915,724.44, 1,373,783.22 and 308,572.74

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Solution

The fourth proportional to 915,724.44, 1,373,783.22 and 308,572.74 is: 462,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,724.44 : 1,373,783.22 = 308,572.74 : x
  2. Step 2: Convert to fraction form
    915,724.44/1,373,783.22 = 308,572.74/x
  3. Step 3: Cross multiply
    915,724.44x = 1,373,783.22 × 308,572.74
  4. Step 4: Simplify right side
    915,724.44x = 423,912,052,361.42
  5. Step 5: Solve for x
    x = 423,912,052,361.42/915,724.44
  6. Step 6: Final answer
    x = 462,925.35

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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.