Home / 727,926.49-1,004,252.16-486,366.85

Finding the Fourth Proportional to 727,926.49, 1,004,252.16 and 486,366.85

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Solution

The fourth proportional to 727,926.49, 1,004,252.16 and 486,366.85 is: 670,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,926.49 : 1,004,252.16 = 486,366.85 : x
  2. Step 2: Convert to fraction form
    727,926.49/1,004,252.16 = 486,366.85/x
  3. Step 3: Cross multiply
    727,926.49x = 1,004,252.16 × 486,366.85
  4. Step 4: Simplify right side
    727,926.49x = 488,434,959,664.90
  5. Step 5: Solve for x
    x = 488,434,959,664.90/727,926.49
  6. Step 6: Final answer
    x = 670,994.90

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1.5x scale

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.