Home / 742,375.26-1,024,480.77-402,843.54

Finding the Fourth Proportional to 742,375.26, 1,024,480.77 and 402,843.54

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Solution

The fourth proportional to 742,375.26, 1,024,480.77 and 402,843.54 is: 555,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,375.26 : 1,024,480.77 = 402,843.54 : x
  2. Step 2: Convert to fraction form
    742,375.26/1,024,480.77 = 402,843.54/x
  3. Step 3: Cross multiply
    742,375.26x = 1,024,480.77 × 402,843.54
  4. Step 4: Simplify right side
    742,375.26x = 412,705,460,048.73
  5. Step 5: Solve for x
    x = 412,705,460,048.73/742,375.26
  6. Step 6: Final answer
    x = 555,925.66

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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.