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Finding the Fourth Proportional to 684,097.52, 944,060.56 and 378,169.04

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Solution

The fourth proportional to 684,097.52, 944,060.56 and 378,169.04 is: 521,876.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,097.52 : 944,060.56 = 378,169.04 : x
  2. Step 2: Convert to fraction form
    684,097.52/944,060.56 = 378,169.04/x
  3. Step 3: Cross multiply
    684,097.52x = 944,060.56 × 378,169.04
  4. Step 4: Simplify right side
    684,097.52x = 357,014,475,677.06
  5. Step 5: Solve for x
    x = 357,014,475,677.06/684,097.52
  6. Step 6: Final answer
    x = 521,876.58

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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.