Home / 435,904.26-651,944.12-388,209.20

Finding the Fourth Proportional to 435,904.26, 651,944.12 and 388,209.20

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Solution

The fourth proportional to 435,904.26, 651,944.12 and 388,209.20 is: 580,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,904.26 : 651,944.12 = 388,209.20 : x
  2. Step 2: Convert to fraction form
    435,904.26/651,944.12 = 388,209.20/x
  3. Step 3: Cross multiply
    435,904.26x = 651,944.12 × 388,209.20
  4. Step 4: Simplify right side
    435,904.26x = 253,090,705,269.90
  5. Step 5: Solve for x
    x = 253,090,705,269.90/435,904.26
  6. Step 6: Final answer
    x = 580,610.76

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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.