Home / 790,642.62-1,091,073.58-428,063.54

Finding the Fourth Proportional to 790,642.62, 1,091,073.58 and 428,063.54

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Solution

The fourth proportional to 790,642.62, 1,091,073.58 and 428,063.54 is: 590,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,642.62 : 1,091,073.58 = 428,063.54 : x
  2. Step 2: Convert to fraction form
    790,642.62/1,091,073.58 = 428,063.54/x
  3. Step 3: Cross multiply
    790,642.62x = 1,091,073.58 × 428,063.54
  4. Step 4: Simplify right side
    790,642.62x = 467,048,819,055.27
  5. Step 5: Solve for x
    x = 467,048,819,055.27/790,642.62
  6. Step 6: Final answer
    x = 590,720.52

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1.5x scale

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.