Home / 911,496.90-1,366,370.55-708,980.70

Finding the Fourth Proportional to 911,496.90, 1,366,370.55 and 708,980.70

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Solution

The fourth proportional to 911,496.90, 1,366,370.55 and 708,980.70 is: 1,062,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,496.90 : 1,366,370.55 = 708,980.70 : x
  2. Step 2: Convert to fraction form
    911,496.90/1,366,370.55 = 708,980.70/x
  3. Step 3: Cross multiply
    911,496.90x = 1,366,370.55 × 708,980.70
  4. Step 4: Simplify right side
    911,496.90x = 968,730,348,998.39
  5. Step 5: Solve for x
    x = 968,730,348,998.39/911,496.90
  6. Step 6: Final answer
    x = 1,062,790.61

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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.