Home / 760,791.33-1,049,879.21-421,252.29

Finding the Fourth Proportional to 760,791.33, 1,049,879.21 and 421,252.29

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Solution

The fourth proportional to 760,791.33, 1,049,879.21 and 421,252.29 is: 581,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,791.33 : 1,049,879.21 = 421,252.29 : x
  2. Step 2: Convert to fraction form
    760,791.33/1,049,879.21 = 421,252.29/x
  3. Step 3: Cross multiply
    760,791.33x = 1,049,879.21 × 421,252.29
  4. Step 4: Simplify right side
    760,791.33x = 442,264,019,329.63
  5. Step 5: Solve for x
    x = 442,264,019,329.63/760,791.33
  6. Step 6: Final answer
    x = 581,321.06

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1.5x scale

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.