Home / 922,988.45-1,384,471.54-239,814.86

Finding the Fourth Proportional to 922,988.45, 1,384,471.54 and 239,814.86

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Solution

The fourth proportional to 922,988.45, 1,384,471.54 and 239,814.86 is: 359,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,988.45 : 1,384,471.54 = 239,814.86 : x
  2. Step 2: Convert to fraction form
    922,988.45/1,384,471.54 = 239,814.86/x
  3. Step 3: Cross multiply
    922,988.45x = 1,384,471.54 × 239,814.86
  4. Step 4: Simplify right side
    922,988.45x = 332,016,840,417.65
  5. Step 5: Solve for x
    x = 332,016,840,417.65/922,988.45
  6. Step 6: Final answer
    x = 359,719.39

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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.