Home / 684,524.10-1,027,717.24-385,215.32

Finding the Fourth Proportional to 684,524.10, 1,027,717.24 and 385,215.32

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Solution

The fourth proportional to 684,524.10, 1,027,717.24 and 385,215.32 is: 578,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,524.10 : 1,027,717.24 = 385,215.32 : x
  2. Step 2: Convert to fraction form
    684,524.10/1,027,717.24 = 385,215.32/x
  3. Step 3: Cross multiply
    684,524.10x = 1,027,717.24 × 385,215.32
  4. Step 4: Simplify right side
    684,524.10x = 395,892,425,476.12
  5. Step 5: Solve for x
    x = 395,892,425,476.12/684,524.10
  6. Step 6: Final answer
    x = 578,346.95

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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.