Home / 728,318.39-1,092,526.79-349,322.22

Finding the Fourth Proportional to 728,318.39, 1,092,526.79 and 349,322.22

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Solution

The fourth proportional to 728,318.39, 1,092,526.79 and 349,322.22 is: 524,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,318.39 : 1,092,526.79 = 349,322.22 : x
  2. Step 2: Convert to fraction form
    728,318.39/1,092,526.79 = 349,322.22/x
  3. Step 3: Cross multiply
    728,318.39x = 1,092,526.79 × 349,322.22
  4. Step 4: Simplify right side
    728,318.39x = 381,643,881,945.66
  5. Step 5: Solve for x
    x = 381,643,881,945.66/728,318.39
  6. Step 6: Final answer
    x = 524,006.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.