Home / 684,579.14-944,714.96-378,650.04

Finding the Fourth Proportional to 684,579.14, 944,714.96 and 378,650.04

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Solution

The fourth proportional to 684,579.14, 944,714.96 and 378,650.04 is: 522,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,579.14 : 944,714.96 = 378,650.04 : x
  2. Step 2: Convert to fraction form
    684,579.14/944,714.96 = 378,650.04/x
  3. Step 3: Cross multiply
    684,579.14x = 944,714.96 × 378,650.04
  4. Step 4: Simplify right side
    684,579.14x = 357,716,357,392.60
  5. Step 5: Solve for x
    x = 357,716,357,392.60/684,579.14
  6. Step 6: Final answer
    x = 522,534.70

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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.