Home / 824,675.07-1,237,045.32-392,288.70

Finding the Fourth Proportional to 824,675.07, 1,237,045.32 and 392,288.70

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Solution

The fourth proportional to 824,675.07, 1,237,045.32 and 392,288.70 is: 588,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,675.07 : 1,237,045.32 = 392,288.70 : x
  2. Step 2: Convert to fraction form
    824,675.07/1,237,045.32 = 392,288.70/x
  3. Step 3: Cross multiply
    824,675.07x = 1,237,045.32 × 392,288.70
  4. Step 4: Simplify right side
    824,675.07x = 485,278,900,423.88
  5. Step 5: Solve for x
    x = 485,278,900,423.88/824,675.07
  6. Step 6: Final answer
    x = 588,448.61

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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.