Home / 725,907.26-1,001,699.94-399,242.93

Finding the Fourth Proportional to 725,907.26, 1,001,699.94 and 399,242.93

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Solution

The fourth proportional to 725,907.26, 1,001,699.94 and 399,242.93 is: 550,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,907.26 : 1,001,699.94 = 399,242.93 : x
  2. Step 2: Convert to fraction form
    725,907.26/1,001,699.94 = 399,242.93/x
  3. Step 3: Cross multiply
    725,907.26x = 1,001,699.94 × 399,242.93
  4. Step 4: Simplify right side
    725,907.26x = 399,921,619,026.42
  5. Step 5: Solve for x
    x = 399,921,619,026.42/725,907.26
  6. Step 6: Final answer
    x = 550,926.60

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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.