Home / 763,223.49-1,144,798.29-289,871.91

Finding the Fourth Proportional to 763,223.49, 1,144,798.29 and 289,871.91

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Solution

The fourth proportional to 763,223.49, 1,144,798.29 and 289,871.91 is: 434,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,223.49 : 1,144,798.29 = 289,871.91 : x
  2. Step 2: Convert to fraction form
    763,223.49/1,144,798.29 = 289,871.91/x
  3. Step 3: Cross multiply
    763,223.49x = 1,144,798.29 × 289,871.91
  4. Step 4: Simplify right side
    763,223.49x = 331,844,866,887.03
  5. Step 5: Solve for x
    x = 331,844,866,887.03/763,223.49
  6. Step 6: Final answer
    x = 434,793.83

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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.