Home / 598,913.49-826,489.78-340,784.87

Finding the Fourth Proportional to 598,913.49, 826,489.78 and 340,784.87

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Solution

The fourth proportional to 598,913.49, 826,489.78 and 340,784.87 is: 470,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,913.49 : 826,489.78 = 340,784.87 : x
  2. Step 2: Convert to fraction form
    598,913.49/826,489.78 = 340,784.87/x
  3. Step 3: Cross multiply
    598,913.49x = 826,489.78 × 340,784.87
  4. Step 4: Simplify right side
    598,913.49x = 281,655,211,898.22
  5. Step 5: Solve for x
    x = 281,655,211,898.22/598,913.49
  6. Step 6: Final answer
    x = 470,276.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.