Home / 806,731.80-1,210,097.70-696,139.80

Finding the Fourth Proportional to 806,731.80, 1,210,097.70 and 696,139.80

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Solution

The fourth proportional to 806,731.80, 1,210,097.70 and 696,139.80 is: 1,044,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,731.80 : 1,210,097.70 = 696,139.80 : x
  2. Step 2: Convert to fraction form
    806,731.80/1,210,097.70 = 696,139.80/x
  3. Step 3: Cross multiply
    806,731.80x = 1,210,097.70 × 696,139.80
  4. Step 4: Simplify right side
    806,731.80x = 842,397,170,858.46
  5. Step 5: Solve for x
    x = 842,397,170,858.46/806,731.80
  6. Step 6: Final answer
    x = 1,044,209.70

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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.