Home / 814,360.90-1,221,550.76-245,746.94

Finding the Fourth Proportional to 814,360.90, 1,221,550.76 and 245,746.94

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Solution

The fourth proportional to 814,360.90, 1,221,550.76 and 245,746.94 is: 368,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,360.90 : 1,221,550.76 = 245,746.94 : x
  2. Step 2: Convert to fraction form
    814,360.90/1,221,550.76 = 245,746.94/x
  3. Step 3: Cross multiply
    814,360.90x = 1,221,550.76 × 245,746.94
  4. Step 4: Simplify right side
    814,360.90x = 300,192,361,324.67
  5. Step 5: Solve for x
    x = 300,192,361,324.67/814,360.90
  6. Step 6: Final answer
    x = 368,623.25

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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.