Home / 694,672.13-1,041,976.90-289,697.58

Finding the Fourth Proportional to 694,672.13, 1,041,976.90 and 289,697.58

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Solution

The fourth proportional to 694,672.13, 1,041,976.90 and 289,697.58 is: 434,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,672.13 : 1,041,976.90 = 289,697.58 : x
  2. Step 2: Convert to fraction form
    694,672.13/1,041,976.90 = 289,697.58/x
  3. Step 3: Cross multiply
    694,672.13x = 1,041,976.90 × 289,697.58
  4. Step 4: Simplify right side
    694,672.13x = 301,858,186,345.90
  5. Step 5: Solve for x
    x = 301,858,186,345.90/694,672.13
  6. Step 6: Final answer
    x = 434,533.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.