Home / 807,890.80-1,211,058.60-627,876.40

Finding the Fourth Proportional to 807,890.80, 1,211,058.60 and 627,876.40

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Solution

The fourth proportional to 807,890.80, 1,211,058.60 and 627,876.40 is: 941,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,890.80 : 1,211,058.60 = 627,876.40 : x
  2. Step 2: Convert to fraction form
    807,890.80/1,211,058.60 = 627,876.40/x
  3. Step 3: Cross multiply
    807,890.80x = 1,211,058.60 × 627,876.40
  4. Step 4: Simplify right side
    807,890.80x = 760,395,113,957.04
  5. Step 5: Solve for x
    x = 760,395,113,957.04/807,890.80
  6. Step 6: Final answer
    x = 941,210.26

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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.