Home / 698,521.86-1,047,819.92-298,760.13

Finding the Fourth Proportional to 698,521.86, 1,047,819.92 and 298,760.13

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Solution

The fourth proportional to 698,521.86, 1,047,819.92 and 298,760.13 is: 448,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,521.86 : 1,047,819.92 = 298,760.13 : x
  2. Step 2: Convert to fraction form
    698,521.86/1,047,819.92 = 298,760.13/x
  3. Step 3: Cross multiply
    698,521.86x = 1,047,819.92 × 298,760.13
  4. Step 4: Simplify right side
    698,521.86x = 313,046,814,021.99
  5. Step 5: Solve for x
    x = 313,046,814,021.99/698,521.86
  6. Step 6: Final answer
    x = 448,156.07

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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.