Home / 908,811.70-1,363,217.55-460,914.10

Finding the Fourth Proportional to 908,811.70, 1,363,217.55 and 460,914.10

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Solution

The fourth proportional to 908,811.70, 1,363,217.55 and 460,914.10 is: 691,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,811.70 : 1,363,217.55 = 460,914.10 : x
  2. Step 2: Convert to fraction form
    908,811.70/1,363,217.55 = 460,914.10/x
  3. Step 3: Cross multiply
    908,811.70x = 1,363,217.55 × 460,914.10
  4. Step 4: Simplify right side
    908,811.70x = 628,326,190,162.46
  5. Step 5: Solve for x
    x = 628,326,190,162.46/908,811.70
  6. Step 6: Final answer
    x = 691,371.15

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Double scale
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Similar ratio
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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.