Home / 888,975.32-1,333,327.64-289,935.52

Finding the Fourth Proportional to 888,975.32, 1,333,327.64 and 289,935.52

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Solution

The fourth proportional to 888,975.32, 1,333,327.64 and 289,935.52 is: 434,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,975.32 : 1,333,327.64 = 289,935.52 : x
  2. Step 2: Convert to fraction form
    888,975.32/1,333,327.64 = 289,935.52/x
  3. Step 3: Cross multiply
    888,975.32x = 1,333,327.64 × 289,935.52
  4. Step 4: Simplify right side
    888,975.32x = 386,579,037,850.78
  5. Step 5: Solve for x
    x = 386,579,037,850.78/888,975.32
  6. Step 6: Final answer
    x = 434,859.13

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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.