Home / 891,870.73-1,230,431.25-509,692.48

Finding the Fourth Proportional to 891,870.73, 1,230,431.25 and 509,692.48

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Solution

The fourth proportional to 891,870.73, 1,230,431.25 and 509,692.48 is: 703,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,870.73 : 1,230,431.25 = 509,692.48 : x
  2. Step 2: Convert to fraction form
    891,870.73/1,230,431.25 = 509,692.48/x
  3. Step 3: Cross multiply
    891,870.73x = 1,230,431.25 × 509,692.48
  4. Step 4: Simplify right side
    891,870.73x = 627,141,555,282
  5. Step 5: Solve for x
    x = 627,141,555,282/891,870.73
  6. Step 6: Final answer
    x = 703,175.40

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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.