Home / 725,762.66-1,001,574.23-399,058.76

Finding the Fourth Proportional to 725,762.66, 1,001,574.23 and 399,058.76

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Solution

The fourth proportional to 725,762.66, 1,001,574.23 and 399,058.76 is: 550,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,762.66 : 1,001,574.23 = 399,058.76 : x
  2. Step 2: Convert to fraction form
    725,762.66/1,001,574.23 = 399,058.76/x
  3. Step 3: Cross multiply
    725,762.66x = 1,001,574.23 × 399,058.76
  4. Step 4: Simplify right side
    725,762.66x = 399,686,963,268.59
  5. Step 5: Solve for x
    x = 399,686,963,268.59/725,762.66
  6. Step 6: Final answer
    x = 550,713.05

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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.