Home / 908,446.20-1,362,669.30-402,811.80

Finding the Fourth Proportional to 908,446.20, 1,362,669.30 and 402,811.80

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Solution

The fourth proportional to 908,446.20, 1,362,669.30 and 402,811.80 is: 604,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,446.20 : 1,362,669.30 = 402,811.80 : x
  2. Step 2: Convert to fraction form
    908,446.20/1,362,669.30 = 402,811.80/x
  3. Step 3: Cross multiply
    908,446.20x = 1,362,669.30 × 402,811.80
  4. Step 4: Simplify right side
    908,446.20x = 548,899,273,537.74
  5. Step 5: Solve for x
    x = 548,899,273,537.74/908,446.20
  6. Step 6: Final answer
    x = 604,217.70

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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.