Home / 684,197.49-944,151.90-378,255.58

Finding the Fourth Proportional to 684,197.49, 944,151.90 and 378,255.58

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Solution

The fourth proportional to 684,197.49, 944,151.90 and 378,255.58 is: 521,970.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,197.49 : 944,151.90 = 378,255.58 : x
  2. Step 2: Convert to fraction form
    684,197.49/944,151.90 = 378,255.58/x
  3. Step 3: Cross multiply
    684,197.49x = 944,151.90 × 378,255.58
  4. Step 4: Simplify right side
    684,197.49x = 357,130,728,202.31
  5. Step 5: Solve for x
    x = 357,130,728,202.31/684,197.49
  6. Step 6: Final answer
    x = 521,970.24

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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.