Home / 792,775.81-1,189,345.44-343,572.10

Finding the Fourth Proportional to 792,775.81, 1,189,345.44 and 343,572.10

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Solution

The fourth proportional to 792,775.81, 1,189,345.44 and 343,572.10 is: 515,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,775.81 : 1,189,345.44 = 343,572.10 : x
  2. Step 2: Convert to fraction form
    792,775.81/1,189,345.44 = 343,572.10/x
  3. Step 3: Cross multiply
    792,775.81x = 1,189,345.44 × 343,572.10
  4. Step 4: Simplify right side
    792,775.81x = 408,625,910,446.22
  5. Step 5: Solve for x
    x = 408,625,910,446.22/792,775.81
  6. Step 6: Final answer
    x = 515,436.91

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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.