Home / 819,826.50-1,229,345.66-464,745.18

Finding the Fourth Proportional to 819,826.50, 1,229,345.66 and 464,745.18

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Solution

The fourth proportional to 819,826.50, 1,229,345.66 and 464,745.18 is: 696,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,826.50 : 1,229,345.66 = 464,745.18 : x
  2. Step 2: Convert to fraction form
    819,826.50/1,229,345.66 = 464,745.18/x
  3. Step 3: Cross multiply
    819,826.50x = 1,229,345.66 × 464,745.18
  4. Step 4: Simplify right side
    819,826.50x = 571,332,470,038.92
  5. Step 5: Solve for x
    x = 571,332,470,038.92/819,826.50
  6. Step 6: Final answer
    x = 696,894.37

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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.