Home / 790,690.54-1,091,085.90-463,969.81

Finding the Fourth Proportional to 790,690.54, 1,091,085.90 and 463,969.81

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Solution

The fourth proportional to 790,690.54, 1,091,085.90 and 463,969.81 is: 640,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,690.54 : 1,091,085.90 = 463,969.81 : x
  2. Step 2: Convert to fraction form
    790,690.54/1,091,085.90 = 463,969.81/x
  3. Step 3: Cross multiply
    790,690.54x = 1,091,085.90 × 463,969.81
  4. Step 4: Simplify right side
    790,690.54x = 506,230,917,716.68
  5. Step 5: Solve for x
    x = 506,230,917,716.68/790,690.54
  6. Step 6: Final answer
    x = 640,239.00

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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.