Home / 908,108.20-1,362,453.90-402,473.80

Finding the Fourth Proportional to 908,108.20, 1,362,453.90 and 402,473.80

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Solution

The fourth proportional to 908,108.20, 1,362,453.90 and 402,473.80 is: 603,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,108.20 : 1,362,453.90 = 402,473.80 : x
  2. Step 2: Convert to fraction form
    908,108.20/1,362,453.90 = 402,473.80/x
  3. Step 3: Cross multiply
    908,108.20x = 1,362,453.90 × 402,473.80
  4. Step 4: Simplify right side
    908,108.20x = 548,351,998,457.82
  5. Step 5: Solve for x
    x = 548,351,998,457.82/908,108.20
  6. Step 6: Final answer
    x = 603,839.94

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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.