Home / 803,971.74-1,205,984.70-404,394.66

Finding the Fourth Proportional to 803,971.74, 1,205,984.70 and 404,394.66

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Solution

The fourth proportional to 803,971.74, 1,205,984.70 and 404,394.66 is: 606,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,971.74 : 1,205,984.70 = 404,394.66 : x
  2. Step 2: Convert to fraction form
    803,971.74/1,205,984.70 = 404,394.66/x
  3. Step 3: Cross multiply
    803,971.74x = 1,205,984.70 × 404,394.66
  4. Step 4: Simplify right side
    803,971.74x = 487,693,772,721.70
  5. Step 5: Solve for x
    x = 487,693,772,721.70/803,971.74
  6. Step 6: Final answer
    x = 606,605.62

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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.