Home / 888,942.72-1,333,457.10-289,903.08

Finding the Fourth Proportional to 888,942.72, 1,333,457.10 and 289,903.08

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Solution

The fourth proportional to 888,942.72, 1,333,457.10 and 289,903.08 is: 434,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,942.72 : 1,333,457.10 = 289,903.08 : x
  2. Step 2: Convert to fraction form
    888,942.72/1,333,457.10 = 289,903.08/x
  3. Step 3: Cross multiply
    888,942.72x = 1,333,457.10 × 289,903.08
  4. Step 4: Simplify right side
    888,942.72x = 386,573,320,337.87
  5. Step 5: Solve for x
    x = 386,573,320,337.87/888,942.72
  6. Step 6: Final answer
    x = 434,868.65

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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.