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Finding the Fourth Proportional to 591,903.16, 888,078.32 and 355,410.16

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Solution

The fourth proportional to 591,903.16, 888,078.32 and 355,410.16 is: 533,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,903.16 : 888,078.32 = 355,410.16 : x
  2. Step 2: Convert to fraction form
    591,903.16/888,078.32 = 355,410.16/x
  3. Step 3: Cross multiply
    591,903.16x = 888,078.32 × 355,410.16
  4. Step 4: Simplify right side
    591,903.16x = 315,632,057,803.73
  5. Step 5: Solve for x
    x = 315,632,057,803.73/591,903.16
  6. Step 6: Final answer
    x = 533,249.49

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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.