Home / 725,403.34-1,001,080.88-403,127.02

Finding the Fourth Proportional to 725,403.34, 1,001,080.88 and 403,127.02

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Solution

The fourth proportional to 725,403.34, 1,001,080.88 and 403,127.02 is: 556,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,403.34 : 1,001,080.88 = 403,127.02 : x
  2. Step 2: Convert to fraction form
    725,403.34/1,001,080.88 = 403,127.02/x
  3. Step 3: Cross multiply
    725,403.34x = 1,001,080.88 × 403,127.02
  4. Step 4: Simplify right side
    725,403.34x = 403,562,751,933.38
  5. Step 5: Solve for x
    x = 403,562,751,933.38/725,403.34
  6. Step 6: Final answer
    x = 556,328.78

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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.