Home / 913,233.60-1,369,850.40-493,329.60

Finding the Fourth Proportional to 913,233.60, 1,369,850.40 and 493,329.60

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Solution

The fourth proportional to 913,233.60, 1,369,850.40 and 493,329.60 is: 739,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,233.60 : 1,369,850.40 = 493,329.60 : x
  2. Step 2: Convert to fraction form
    913,233.60/1,369,850.40 = 493,329.60/x
  3. Step 3: Cross multiply
    913,233.60x = 1,369,850.40 × 493,329.60
  4. Step 4: Simplify right side
    913,233.60x = 675,787,749,891.84
  5. Step 5: Solve for x
    x = 675,787,749,891.84/913,233.60
  6. Step 6: Final answer
    x = 739,994.40

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Half scale
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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.