Home / 683,345.16-1,025,021.39-448,177.05

Finding the Fourth Proportional to 683,345.16, 1,025,021.39 and 448,177.05

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Solution

The fourth proportional to 683,345.16, 1,025,021.39 and 448,177.05 is: 672,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,345.16 : 1,025,021.39 = 448,177.05 : x
  2. Step 2: Convert to fraction form
    683,345.16/1,025,021.39 = 448,177.05/x
  3. Step 3: Cross multiply
    683,345.16x = 1,025,021.39 × 448,177.05
  4. Step 4: Simplify right side
    683,345.16x = 459,391,060,516.21
  5. Step 5: Solve for x
    x = 459,391,060,516.21/683,345.16
  6. Step 6: Final answer
    x = 672,267.97

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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.