Home / 779,653.66-1,169,578.86-274,095.82

Finding the Fourth Proportional to 779,653.66, 1,169,578.86 and 274,095.82

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Solution

The fourth proportional to 779,653.66, 1,169,578.86 and 274,095.82 is: 411,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,653.66 : 1,169,578.86 = 274,095.82 : x
  2. Step 2: Convert to fraction form
    779,653.66/1,169,578.86 = 274,095.82/x
  3. Step 3: Cross multiply
    779,653.66x = 1,169,578.86 × 274,095.82
  4. Step 4: Simplify right side
    779,653.66x = 320,576,676,686.37
  5. Step 5: Solve for x
    x = 320,576,676,686.37/779,653.66
  6. Step 6: Final answer
    x = 411,178.31

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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.