Home / 855,850.65-1,283,590.07-256,650.92

Finding the Fourth Proportional to 855,850.65, 1,283,590.07 and 256,650.92

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Solution

The fourth proportional to 855,850.65, 1,283,590.07 and 256,650.92 is: 384,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,850.65 : 1,283,590.07 = 256,650.92 : x
  2. Step 2: Convert to fraction form
    855,850.65/1,283,590.07 = 256,650.92/x
  3. Step 3: Cross multiply
    855,850.65x = 1,283,590.07 × 256,650.92
  4. Step 4: Simplify right side
    855,850.65x = 329,434,572,368.36
  5. Step 5: Solve for x
    x = 329,434,572,368.36/855,850.65
  6. Step 6: Final answer
    x = 384,920.63

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1.5x scale

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.