Home / 888,461.11-1,332,690.65-289,421.31

Finding the Fourth Proportional to 888,461.11, 1,332,690.65 and 289,421.31

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Solution

The fourth proportional to 888,461.11, 1,332,690.65 and 289,421.31 is: 434,131.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,461.11 : 1,332,690.65 = 289,421.31 : x
  2. Step 2: Convert to fraction form
    888,461.11/1,332,690.65 = 289,421.31/x
  3. Step 3: Cross multiply
    888,461.11x = 1,332,690.65 × 289,421.31
  4. Step 4: Simplify right side
    888,461.11x = 385,709,072,300.65
  5. Step 5: Solve for x
    x = 385,709,072,300.65/888,461.11
  6. Step 6: Final answer
    x = 434,131.63

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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.