Home / 725,796.28-1,001,602.75-399,130.35

Finding the Fourth Proportional to 725,796.28, 1,001,602.75 and 399,130.35

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Solution

The fourth proportional to 725,796.28, 1,001,602.75 and 399,130.35 is: 550,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,796.28 : 1,001,602.75 = 399,130.35 : x
  2. Step 2: Convert to fraction form
    725,796.28/1,001,602.75 = 399,130.35/x
  3. Step 3: Cross multiply
    725,796.28x = 1,001,602.75 × 399,130.35
  4. Step 4: Simplify right side
    725,796.28x = 399,770,056,168.46
  5. Step 5: Solve for x
    x = 399,770,056,168.46/725,796.28
  6. Step 6: Final answer
    x = 550,802.02

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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.