Home / 981,774.08-1,472,488.32-262,124.72

Finding the Fourth Proportional to 981,774.08, 1,472,488.32 and 262,124.72

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Solution

The fourth proportional to 981,774.08, 1,472,488.32 and 262,124.72 is: 393,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,774.08 : 1,472,488.32 = 262,124.72 : x
  2. Step 2: Convert to fraction form
    981,774.08/1,472,488.32 = 262,124.72/x
  3. Step 3: Cross multiply
    981,774.08x = 1,472,488.32 × 262,124.72
  4. Step 4: Simplify right side
    981,774.08x = 385,975,588,583.27
  5. Step 5: Solve for x
    x = 385,975,588,583.27/981,774.08
  6. Step 6: Final answer
    x = 393,140.94

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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.