Home / 684,274.56-944,282.16-378,343.17

Finding the Fourth Proportional to 684,274.56, 944,282.16 and 378,343.17

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Solution

The fourth proportional to 684,274.56, 944,282.16 and 378,343.17 is: 522,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,274.56 : 944,282.16 = 378,343.17 : x
  2. Step 2: Convert to fraction form
    684,274.56/944,282.16 = 378,343.17/x
  3. Step 3: Cross multiply
    684,274.56x = 944,282.16 × 378,343.17
  4. Step 4: Simplify right side
    684,274.56x = 357,262,705,788.85
  5. Step 5: Solve for x
    x = 357,262,705,788.85/684,274.56
  6. Step 6: Final answer
    x = 522,104.32

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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.