Home / 379,026.45-522,371.43-314,154.04

Finding the Fourth Proportional to 379,026.45, 522,371.43 and 314,154.04

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Solution

The fourth proportional to 379,026.45, 522,371.43 and 314,154.04 is: 432,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,026.45 : 522,371.43 = 314,154.04 : x
  2. Step 2: Convert to fraction form
    379,026.45/522,371.43 = 314,154.04/x
  3. Step 3: Cross multiply
    379,026.45x = 522,371.43 × 314,154.04
  4. Step 4: Simplify right side
    379,026.45x = 164,105,095,115.08
  5. Step 5: Solve for x
    x = 164,105,095,115.08/379,026.45
  6. Step 6: Final answer
    x = 432,964.76

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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.