Home / 689,901.24-1,035,024.09-240,628.57

Finding the Fourth Proportional to 689,901.24, 1,035,024.09 and 240,628.57

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Solution

The fourth proportional to 689,901.24, 1,035,024.09 and 240,628.57 is: 361,002.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,901.24 : 1,035,024.09 = 240,628.57 : x
  2. Step 2: Convert to fraction form
    689,901.24/1,035,024.09 = 240,628.57/x
  3. Step 3: Cross multiply
    689,901.24x = 1,035,024.09 × 240,628.57
  4. Step 4: Simplify right side
    689,901.24x = 249,056,364,104.69
  5. Step 5: Solve for x
    x = 249,056,364,104.69/689,901.24
  6. Step 6: Final answer
    x = 361,002.92

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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.