Home / 727,345.44-1,003,734.18-405,059.40

Finding the Fourth Proportional to 727,345.44, 1,003,734.18 and 405,059.40

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Solution

The fourth proportional to 727,345.44, 1,003,734.18 and 405,059.40 is: 558,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,345.44 : 1,003,734.18 = 405,059.40 : x
  2. Step 2: Convert to fraction form
    727,345.44/1,003,734.18 = 405,059.40/x
  3. Step 3: Cross multiply
    727,345.44x = 1,003,734.18 × 405,059.40
  4. Step 4: Simplify right side
    727,345.44x = 406,571,964,710.29
  5. Step 5: Solve for x
    x = 406,571,964,710.29/727,345.44
  6. Step 6: Final answer
    x = 558,980.56

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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.