Home / 579,719.80-869,730.90-224,745.40

Finding the Fourth Proportional to 579,719.80, 869,730.90 and 224,745.40

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Solution

The fourth proportional to 579,719.80, 869,730.90 and 224,745.40 is: 337,176.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,719.80 : 869,730.90 = 224,745.40 : x
  2. Step 2: Convert to fraction form
    579,719.80/869,730.90 = 224,745.40/x
  3. Step 3: Cross multiply
    579,719.80x = 869,730.90 × 224,745.40
  4. Step 4: Simplify right side
    579,719.80x = 195,468,019,012.86
  5. Step 5: Solve for x
    x = 195,468,019,012.86/579,719.80
  6. Step 6: Final answer
    x = 337,176.72

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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.