Home / 648,175.31-894,482.09-361,695.17

Finding the Fourth Proportional to 648,175.31, 894,482.09 and 361,695.17

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Solution

The fourth proportional to 648,175.31, 894,482.09 and 361,695.17 is: 499,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,175.31 : 894,482.09 = 361,695.17 : x
  2. Step 2: Convert to fraction form
    648,175.31/894,482.09 = 361,695.17/x
  3. Step 3: Cross multiply
    648,175.31x = 894,482.09 × 361,695.17
  4. Step 4: Simplify right side
    648,175.31x = 323,529,853,388.59
  5. Step 5: Solve for x
    x = 323,529,853,388.59/648,175.31
  6. Step 6: Final answer
    x = 499,139.42

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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.