Home / 911,497.40-1,366,371.30-708,981.20

Finding the Fourth Proportional to 911,497.40, 1,366,371.30 and 708,981.20

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Solution

The fourth proportional to 911,497.40, 1,366,371.30 and 708,981.20 is: 1,062,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,497.40 : 1,366,371.30 = 708,981.20 : x
  2. Step 2: Convert to fraction form
    911,497.40/1,366,371.30 = 708,981.20/x
  3. Step 3: Cross multiply
    911,497.40x = 1,366,371.30 × 708,981.20
  4. Step 4: Simplify right side
    911,497.40x = 968,731,563,919.56
  5. Step 5: Solve for x
    x = 968,731,563,919.56/911,497.40
  6. Step 6: Final answer
    x = 1,062,791.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.