Home / 802,660.14-1,107,692.10-453,772.80

Finding the Fourth Proportional to 802,660.14, 1,107,692.10 and 453,772.80

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Solution

The fourth proportional to 802,660.14, 1,107,692.10 and 453,772.80 is: 626,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,660.14 : 1,107,692.10 = 453,772.80 : x
  2. Step 2: Convert to fraction form
    802,660.14/1,107,692.10 = 453,772.80/x
  3. Step 3: Cross multiply
    802,660.14x = 1,107,692.10 × 453,772.80
  4. Step 4: Simplify right side
    802,660.14x = 502,640,545,754.88
  5. Step 5: Solve for x
    x = 502,640,545,754.88/802,660.14
  6. Step 6: Final answer
    x = 626,218.40

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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.