Home / 840,632.20-1,258,874.70-558,622.60

Finding the Fourth Proportional to 840,632.20, 1,258,874.70 and 558,622.60

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Solution

The fourth proportional to 840,632.20, 1,258,874.70 and 558,622.60 is: 836,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,632.20 : 1,258,874.70 = 558,622.60 : x
  2. Step 2: Convert to fraction form
    840,632.20/1,258,874.70 = 558,622.60/x
  3. Step 3: Cross multiply
    840,632.20x = 1,258,874.70 × 558,622.60
  4. Step 4: Simplify right side
    840,632.20x = 703,235,857,988.22
  5. Step 5: Solve for x
    x = 703,235,857,988.22/840,632.20
  6. Step 6: Final answer
    x = 836,555.94

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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.