Home / 806,415.80-1,209,623.70-565,878.20

Finding the Fourth Proportional to 806,415.80, 1,209,623.70 and 565,878.20

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Solution

The fourth proportional to 806,415.80, 1,209,623.70 and 565,878.20 is: 848,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,415.80 : 1,209,623.70 = 565,878.20 : x
  2. Step 2: Convert to fraction form
    806,415.80/1,209,623.70 = 565,878.20/x
  3. Step 3: Cross multiply
    806,415.80x = 1,209,623.70 × 565,878.20
  4. Step 4: Simplify right side
    806,415.80x = 684,499,682,033.34
  5. Step 5: Solve for x
    x = 684,499,682,033.34/806,415.80
  6. Step 6: Final answer
    x = 848,817.30

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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.