Home / 888,944.72-1,333,460.10-289,905.08

Finding the Fourth Proportional to 888,944.72, 1,333,460.10 and 289,905.08

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Solution

The fourth proportional to 888,944.72, 1,333,460.10 and 289,905.08 is: 434,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,944.72 : 1,333,460.10 = 289,905.08 : x
  2. Step 2: Convert to fraction form
    888,944.72/1,333,460.10 = 289,905.08/x
  3. Step 3: Cross multiply
    888,944.72x = 1,333,460.10 × 289,905.08
  4. Step 4: Simplify right side
    888,944.72x = 386,576,856,967.31
  5. Step 5: Solve for x
    x = 386,576,856,967.31/888,944.72
  6. Step 6: Final answer
    x = 434,871.65

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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.