Home / 846,073.82-1,268,479.53-509,035.49

Finding the Fourth Proportional to 846,073.82, 1,268,479.53 and 509,035.49

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Solution

The fourth proportional to 846,073.82, 1,268,479.53 and 509,035.49 is: 763,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,073.82 : 1,268,479.53 = 509,035.49 : x
  2. Step 2: Convert to fraction form
    846,073.82/1,268,479.53 = 509,035.49/x
  3. Step 3: Cross multiply
    846,073.82x = 1,268,479.53 × 509,035.49
  4. Step 4: Simplify right side
    846,073.82x = 645,701,092,766.12
  5. Step 5: Solve for x
    x = 645,701,092,766.12/846,073.82
  6. Step 6: Final answer
    x = 763,173.47

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Double scale
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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.