Home / 684,724.70-1,027,087.05-667,228.70

Finding the Fourth Proportional to 684,724.70, 1,027,087.05 and 667,228.70

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Solution

The fourth proportional to 684,724.70, 1,027,087.05 and 667,228.70 is: 1,000,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,724.70 : 1,027,087.05 = 667,228.70 : x
  2. Step 2: Convert to fraction form
    684,724.70/1,027,087.05 = 667,228.70/x
  3. Step 3: Cross multiply
    684,724.70x = 1,027,087.05 × 667,228.70
  4. Step 4: Simplify right side
    684,724.70x = 685,301,957,158.34
  5. Step 5: Solve for x
    x = 685,301,957,158.34/684,724.70
  6. Step 6: Final answer
    x = 1,000,843.05

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1.5x scale

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.