Home / 807,726.80-1,209,257.40-492,798.80

Finding the Fourth Proportional to 807,726.80, 1,209,257.40 and 492,798.80

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Solution

The fourth proportional to 807,726.80, 1,209,257.40 and 492,798.80 is: 737,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,726.80 : 1,209,257.40 = 492,798.80 : x
  2. Step 2: Convert to fraction form
    807,726.80/1,209,257.40 = 492,798.80/x
  3. Step 3: Cross multiply
    807,726.80x = 1,209,257.40 × 492,798.80
  4. Step 4: Simplify right side
    807,726.80x = 595,920,595,611.12
  5. Step 5: Solve for x
    x = 595,920,595,611.12/807,726.80
  6. Step 6: Final answer
    x = 737,774.95

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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.