Home / 687,400.20-1,031,100.30-598,826.70

Finding the Fourth Proportional to 687,400.20, 1,031,100.30 and 598,826.70

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Solution

The fourth proportional to 687,400.20, 1,031,100.30 and 598,826.70 is: 898,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,400.20 : 1,031,100.30 = 598,826.70 : x
  2. Step 2: Convert to fraction form
    687,400.20/1,031,100.30 = 598,826.70/x
  3. Step 3: Cross multiply
    687,400.20x = 1,031,100.30 × 598,826.70
  4. Step 4: Simplify right side
    687,400.20x = 617,450,390,018.01
  5. Step 5: Solve for x
    x = 617,450,390,018.01/687,400.20
  6. Step 6: Final answer
    x = 898,240.05

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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.