Home / 913,546.38-1,260,661.82-505,649.02

Finding the Fourth Proportional to 913,546.38, 1,260,661.82 and 505,649.02

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Solution

The fourth proportional to 913,546.38, 1,260,661.82 and 505,649.02 is: 697,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,546.38 : 1,260,661.82 = 505,649.02 : x
  2. Step 2: Convert to fraction form
    913,546.38/1,260,661.82 = 505,649.02/x
  3. Step 3: Cross multiply
    913,546.38x = 1,260,661.82 × 505,649.02
  4. Step 4: Simplify right side
    913,546.38x = 637,452,413,834.42
  5. Step 5: Solve for x
    x = 637,452,413,834.42/913,546.38
  6. Step 6: Final answer
    x = 697,777.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.