Home / 779,649.23-1,169,940.39-336,417.23

Finding the Fourth Proportional to 779,649.23, 1,169,940.39 and 336,417.23

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Solution

The fourth proportional to 779,649.23, 1,169,940.39 and 336,417.23 is: 504,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,649.23 : 1,169,940.39 = 336,417.23 : x
  2. Step 2: Convert to fraction form
    779,649.23/1,169,940.39 = 336,417.23/x
  3. Step 3: Cross multiply
    779,649.23x = 1,169,940.39 × 336,417.23
  4. Step 4: Simplify right side
    779,649.23x = 393,588,105,268.92
  5. Step 5: Solve for x
    x = 393,588,105,268.92/779,649.23
  6. Step 6: Final answer
    x = 504,827.16

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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.