Home / 908,423.20-1,363,249.20-509,063.20

Finding the Fourth Proportional to 908,423.20, 1,363,249.20 and 509,063.20

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Solution

The fourth proportional to 908,423.20, 1,363,249.20 and 509,063.20 is: 763,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,423.20 : 1,363,249.20 = 509,063.20 : x
  2. Step 2: Convert to fraction form
    908,423.20/1,363,249.20 = 509,063.20/x
  3. Step 3: Cross multiply
    908,423.20x = 1,363,249.20 × 509,063.20
  4. Step 4: Simplify right side
    908,423.20x = 693,980,000,149.44
  5. Step 5: Solve for x
    x = 693,980,000,149.44/908,423.20
  6. Step 6: Final answer
    x = 763,939.10

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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.