Home / 849,764.86-1,274,689.65-242,643.22

Finding the Fourth Proportional to 849,764.86, 1,274,689.65 and 242,643.22

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Solution

The fourth proportional to 849,764.86, 1,274,689.65 and 242,643.22 is: 363,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,764.86 : 1,274,689.65 = 242,643.22 : x
  2. Step 2: Convert to fraction form
    849,764.86/1,274,689.65 = 242,643.22/x
  3. Step 3: Cross multiply
    849,764.86x = 1,274,689.65 × 242,643.22
  4. Step 4: Simplify right side
    849,764.86x = 309,294,804,705.12
  5. Step 5: Solve for x
    x = 309,294,804,705.12/849,764.86
  6. Step 6: Final answer
    x = 363,976.93

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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.