Home / 727,587.17-1,003,937.04-405,289.25

Finding the Fourth Proportional to 727,587.17, 1,003,937.04 and 405,289.25

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Solution

The fourth proportional to 727,587.17, 1,003,937.04 and 405,289.25 is: 559,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,587.17 : 1,003,937.04 = 405,289.25 : x
  2. Step 2: Convert to fraction form
    727,587.17/1,003,937.04 = 405,289.25/x
  3. Step 3: Cross multiply
    727,587.17x = 1,003,937.04 × 405,289.25
  4. Step 4: Simplify right side
    727,587.17x = 406,884,889,988.82
  5. Step 5: Solve for x
    x = 406,884,889,988.82/727,587.17
  6. Step 6: Final answer
    x = 559,224.94

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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.