Home / 727,336.68-1,003,734.45-405,054.90

Finding the Fourth Proportional to 727,336.68, 1,003,734.45 and 405,054.90

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Solution

The fourth proportional to 727,336.68, 1,003,734.45 and 405,054.90 is: 558,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,336.68 : 1,003,734.45 = 405,054.90 : x
  2. Step 2: Convert to fraction form
    727,336.68/1,003,734.45 = 405,054.90/x
  3. Step 3: Cross multiply
    727,336.68x = 1,003,734.45 × 405,054.90
  4. Step 4: Simplify right side
    727,336.68x = 406,567,557,271.31
  5. Step 5: Solve for x
    x = 406,567,557,271.31/727,336.68
  6. Step 6: Final answer
    x = 558,981.24

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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.