Home / 468,455.05-646,467.24-253,595.06

Finding the Fourth Proportional to 468,455.05, 646,467.24 and 253,595.06

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Solution

The fourth proportional to 468,455.05, 646,467.24 and 253,595.06 is: 349,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,455.05 : 646,467.24 = 253,595.06 : x
  2. Step 2: Convert to fraction form
    468,455.05/646,467.24 = 253,595.06/x
  3. Step 3: Cross multiply
    468,455.05x = 646,467.24 × 253,595.06
  4. Step 4: Simplify right side
    468,455.05x = 163,940,898,515.83
  5. Step 5: Solve for x
    x = 163,940,898,515.83/468,455.05
  6. Step 6: Final answer
    x = 349,960.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.