Home / 684,760.80-944,927.04-378,829.92

Finding the Fourth Proportional to 684,760.80, 944,927.04 and 378,829.92

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Solution

The fourth proportional to 684,760.80, 944,927.04 and 378,829.92 is: 522,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,760.80 : 944,927.04 = 378,829.92 : x
  2. Step 2: Convert to fraction form
    684,760.80/944,927.04 = 378,829.92/x
  3. Step 3: Cross multiply
    684,760.80x = 944,927.04 × 378,829.92
  4. Step 4: Simplify right side
    684,760.80x = 357,966,634,969.04
  5. Step 5: Solve for x
    x = 357,966,634,969.04/684,760.80
  6. Step 6: Final answer
    x = 522,761.58

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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.