Home / 908,810.20-1,363,215.30-460,912.60

Finding the Fourth Proportional to 908,810.20, 1,363,215.30 and 460,912.60

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Solution

The fourth proportional to 908,810.20, 1,363,215.30 and 460,912.60 is: 691,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,810.20 : 1,363,215.30 = 460,912.60 : x
  2. Step 2: Convert to fraction form
    908,810.20/1,363,215.30 = 460,912.60/x
  3. Step 3: Cross multiply
    908,810.20x = 1,363,215.30 × 460,912.60
  4. Step 4: Simplify right side
    908,810.20x = 628,323,108,282.78
  5. Step 5: Solve for x
    x = 628,323,108,282.78/908,810.20
  6. Step 6: Final answer
    x = 691,368.90

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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.