Home / 725,798.39-1,001,605.67-399,132.46

Finding the Fourth Proportional to 725,798.39, 1,001,605.67 and 399,132.46

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Solution

The fourth proportional to 725,798.39, 1,001,605.67 and 399,132.46 is: 550,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,798.39 : 1,001,605.67 = 399,132.46 : x
  2. Step 2: Convert to fraction form
    725,798.39/1,001,605.67 = 399,132.46/x
  3. Step 3: Cross multiply
    725,798.39x = 1,001,605.67 × 399,132.46
  4. Step 4: Simplify right side
    725,798.39x = 399,773,335,017.05
  5. Step 5: Solve for x
    x = 399,773,335,017.05/725,798.39
  6. Step 6: Final answer
    x = 550,804.93

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Double scale
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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.