Home / 908,458.20-1,362,687.30-402,823.80

Finding the Fourth Proportional to 908,458.20, 1,362,687.30 and 402,823.80

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Solution

The fourth proportional to 908,458.20, 1,362,687.30 and 402,823.80 is: 604,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,458.20 : 1,362,687.30 = 402,823.80 : x
  2. Step 2: Convert to fraction form
    908,458.20/1,362,687.30 = 402,823.80/x
  3. Step 3: Cross multiply
    908,458.20x = 1,362,687.30 × 402,823.80
  4. Step 4: Simplify right side
    908,458.20x = 548,922,876,397.74
  5. Step 5: Solve for x
    x = 548,922,876,397.74/908,458.20
  6. Step 6: Final answer
    x = 604,235.70

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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.