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Finding the Fourth Proportional to 579,021.80, 868,683.90 and 224,047.40

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Solution

The fourth proportional to 579,021.80, 868,683.90 and 224,047.40 is: 336,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,021.80 : 868,683.90 = 224,047.40 : x
  2. Step 2: Convert to fraction form
    579,021.80/868,683.90 = 224,047.40/x
  3. Step 3: Cross multiply
    579,021.80x = 868,683.90 × 224,047.40
  4. Step 4: Simplify right side
    579,021.80x = 194,626,369,216.86
  5. Step 5: Solve for x
    x = 194,626,369,216.86/579,021.80
  6. Step 6: Final answer
    x = 336,129.61

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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.