Home / 804,380.76-1,206,570.71-205,341.71

Finding the Fourth Proportional to 804,380.76, 1,206,570.71 and 205,341.71

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Solution

The fourth proportional to 804,380.76, 1,206,570.71 and 205,341.71 is: 308,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,380.76 : 1,206,570.71 = 205,341.71 : x
  2. Step 2: Convert to fraction form
    804,380.76/1,206,570.71 = 205,341.71/x
  3. Step 3: Cross multiply
    804,380.76x = 1,206,570.71 × 205,341.71
  4. Step 4: Simplify right side
    804,380.76x = 247,759,287,307.82
  5. Step 5: Solve for x
    x = 247,759,287,307.82/804,380.76
  6. Step 6: Final answer
    x = 308,012.45

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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.