Home / 779,650.23-1,169,941.89-336,418.23

Finding the Fourth Proportional to 779,650.23, 1,169,941.89 and 336,418.23

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Solution

The fourth proportional to 779,650.23, 1,169,941.89 and 336,418.23 is: 504,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,650.23 : 1,169,941.89 = 336,418.23 : x
  2. Step 2: Convert to fraction form
    779,650.23/1,169,941.89 = 336,418.23/x
  3. Step 3: Cross multiply
    779,650.23x = 1,169,941.89 × 336,418.23
  4. Step 4: Simplify right side
    779,650.23x = 393,589,779,836.66
  5. Step 5: Solve for x
    x = 393,589,779,836.66/779,650.23
  6. Step 6: Final answer
    x = 504,828.66

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1.5x scale

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.