Home / 912,400.40-1,368,600.60-247,552.40

Finding the Fourth Proportional to 912,400.40, 1,368,600.60 and 247,552.40

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Solution

The fourth proportional to 912,400.40, 1,368,600.60 and 247,552.40 is: 371,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,400.40 : 1,368,600.60 = 247,552.40 : x
  2. Step 2: Convert to fraction form
    912,400.40/1,368,600.60 = 247,552.40/x
  3. Step 3: Cross multiply
    912,400.40x = 1,368,600.60 × 247,552.40
  4. Step 4: Simplify right side
    912,400.40x = 338,800,363,171.44
  5. Step 5: Solve for x
    x = 338,800,363,171.44/912,400.40
  6. Step 6: Final answer
    x = 371,328.60

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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.