Home / 739,874.10-1,109,811.15-207,485.40

Finding the Fourth Proportional to 739,874.10, 1,109,811.15 and 207,485.40

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Solution

The fourth proportional to 739,874.10, 1,109,811.15 and 207,485.40 is: 311,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,874.10 : 1,109,811.15 = 207,485.40 : x
  2. Step 2: Convert to fraction form
    739,874.10/1,109,811.15 = 207,485.40/x
  3. Step 3: Cross multiply
    739,874.10x = 1,109,811.15 × 207,485.40
  4. Step 4: Simplify right side
    739,874.10x = 230,269,610,382.21
  5. Step 5: Solve for x
    x = 230,269,610,382.21/739,874.10
  6. Step 6: Final answer
    x = 311,228.10

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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.