Home / 806,434.80-1,209,652.20-565,897.20

Finding the Fourth Proportional to 806,434.80, 1,209,652.20 and 565,897.20

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Solution

The fourth proportional to 806,434.80, 1,209,652.20 and 565,897.20 is: 848,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,434.80 : 1,209,652.20 = 565,897.20 : x
  2. Step 2: Convert to fraction form
    806,434.80/1,209,652.20 = 565,897.20/x
  3. Step 3: Cross multiply
    806,434.80x = 1,209,652.20 × 565,897.20
  4. Step 4: Simplify right side
    806,434.80x = 684,538,792,953.84
  5. Step 5: Solve for x
    x = 684,538,792,953.84/806,434.80
  6. Step 6: Final answer
    x = 848,845.80

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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.