Home / 579,212.40-868,127.40-298,585.20

Finding the Fourth Proportional to 579,212.40, 868,127.40 and 298,585.20

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Solution

The fourth proportional to 579,212.40, 868,127.40 and 298,585.20 is: 447,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,212.40 : 868,127.40 = 298,585.20 : x
  2. Step 2: Convert to fraction form
    579,212.40/868,127.40 = 298,585.20/x
  3. Step 3: Cross multiply
    579,212.40x = 868,127.40 × 298,585.20
  4. Step 4: Simplify right side
    579,212.40x = 259,209,993,354.48
  5. Step 5: Solve for x
    x = 259,209,993,354.48/579,212.40
  6. Step 6: Final answer
    x = 447,521.48

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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.