Home / 879,630.66-1,213,264.35-807,267.27

Finding the Fourth Proportional to 879,630.66, 1,213,264.35 and 807,267.27

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Solution

The fourth proportional to 879,630.66, 1,213,264.35 and 807,267.27 is: 1,113,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,630.66 : 1,213,264.35 = 807,267.27 : x
  2. Step 2: Convert to fraction form
    879,630.66/1,213,264.35 = 807,267.27/x
  3. Step 3: Cross multiply
    879,630.66x = 1,213,264.35 × 807,267.27
  4. Step 4: Simplify right side
    879,630.66x = 979,428,599,612.83
  5. Step 5: Solve for x
    x = 979,428,599,612.83/879,630.66
  6. Step 6: Final answer
    x = 1,113,454.37

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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.