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Finding the Fourth Proportional to 911,775.04, 1,366,440.02 and 709,615.24

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Solution

The fourth proportional to 911,775.04, 1,366,440.02 and 709,615.24 is: 1,063,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,775.04 : 1,366,440.02 = 709,615.24 : x
  2. Step 2: Convert to fraction form
    911,775.04/1,366,440.02 = 709,615.24/x
  3. Step 3: Cross multiply
    911,775.04x = 1,366,440.02 × 709,615.24
  4. Step 4: Simplify right side
    911,775.04x = 969,646,662,737.91
  5. Step 5: Solve for x
    x = 969,646,662,737.91/911,775.04
  6. Step 6: Final answer
    x = 1,063,471.38

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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.