Home / 746,078.40-1,119,117.60-247,442.40

Finding the Fourth Proportional to 746,078.40, 1,119,117.60 and 247,442.40

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Solution

The fourth proportional to 746,078.40, 1,119,117.60 and 247,442.40 is: 371,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,078.40 : 1,119,117.60 = 247,442.40 : x
  2. Step 2: Convert to fraction form
    746,078.40/1,119,117.60 = 247,442.40/x
  3. Step 3: Cross multiply
    746,078.40x = 1,119,117.60 × 247,442.40
  4. Step 4: Simplify right side
    746,078.40x = 276,917,144,826.24
  5. Step 5: Solve for x
    x = 276,917,144,826.24/746,078.40
  6. Step 6: Final answer
    x = 371,163.60

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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.