Home / 741,824.69-1,112,703.58-309,364.07

Finding the Fourth Proportional to 741,824.69, 1,112,703.58 and 309,364.07

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Solution

The fourth proportional to 741,824.69, 1,112,703.58 and 309,364.07 is: 464,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,824.69 : 1,112,703.58 = 309,364.07 : x
  2. Step 2: Convert to fraction form
    741,824.69/1,112,703.58 = 309,364.07/x
  3. Step 3: Cross multiply
    741,824.69x = 1,112,703.58 × 309,364.07
  4. Step 4: Simplify right side
    741,824.69x = 344,230,502,648.85
  5. Step 5: Solve for x
    x = 344,230,502,648.85/741,824.69
  6. Step 6: Final answer
    x = 464,032.15

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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.