Home / 727,296.68-1,003,801.73-421,568.66

Finding the Fourth Proportional to 727,296.68, 1,003,801.73 and 421,568.66

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Solution

The fourth proportional to 727,296.68, 1,003,801.73 and 421,568.66 is: 581,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,296.68 : 1,003,801.73 = 421,568.66 : x
  2. Step 2: Convert to fraction form
    727,296.68/1,003,801.73 = 421,568.66/x
  3. Step 3: Cross multiply
    727,296.68x = 1,003,801.73 × 421,568.66
  4. Step 4: Simplify right side
    727,296.68x = 423,171,343,094.93
  5. Step 5: Solve for x
    x = 423,171,343,094.93/727,296.68
  6. Step 6: Final answer
    x = 581,841.44

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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.