Home / 727,479.54-1,004,338.17-486,170.82

Finding the Fourth Proportional to 727,479.54, 1,004,338.17 and 486,170.82

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Solution

The fourth proportional to 727,479.54, 1,004,338.17 and 486,170.82 is: 671,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,479.54 : 1,004,338.17 = 486,170.82 : x
  2. Step 2: Convert to fraction form
    727,479.54/1,004,338.17 = 486,170.82/x
  3. Step 3: Cross multiply
    727,479.54x = 1,004,338.17 × 486,170.82
  4. Step 4: Simplify right side
    727,479.54x = 488,279,911,666.20
  5. Step 5: Solve for x
    x = 488,279,911,666.20/727,479.54
  6. Step 6: Final answer
    x = 671,194.01

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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.