Home / 684,777.40-1,026,324.79-384,627.04

Finding the Fourth Proportional to 684,777.40, 1,026,324.79 and 384,627.04

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Solution

The fourth proportional to 684,777.40, 1,026,324.79 and 384,627.04 is: 576,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,777.40 : 1,026,324.79 = 384,627.04 : x
  2. Step 2: Convert to fraction form
    684,777.40/1,026,324.79 = 384,627.04/x
  3. Step 3: Cross multiply
    684,777.40x = 1,026,324.79 × 384,627.04
  4. Step 4: Simplify right side
    684,777.40x = 394,752,266,056.32
  5. Step 5: Solve for x
    x = 394,752,266,056.32/684,777.40
  6. Step 6: Final answer
    x = 576,468.01

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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.