Home / 806,878.50-1,210,477.47-230,506.77

Finding the Fourth Proportional to 806,878.50, 1,210,477.47 and 230,506.77

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Solution

The fourth proportional to 806,878.50, 1,210,477.47 and 230,506.77 is: 345,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,878.50 : 1,210,477.47 = 230,506.77 : x
  2. Step 2: Convert to fraction form
    806,878.50/1,210,477.47 = 230,506.77/x
  3. Step 3: Cross multiply
    806,878.50x = 1,210,477.47 × 230,506.77
  4. Step 4: Simplify right side
    806,878.50x = 279,023,251,767.47
  5. Step 5: Solve for x
    x = 279,023,251,767.47/806,878.50
  6. Step 6: Final answer
    x = 345,805.78

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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.