Home / 743,063.22-1,025,427.26-403,531.47

Finding the Fourth Proportional to 743,063.22, 1,025,427.26 and 403,531.47

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Solution

The fourth proportional to 743,063.22, 1,025,427.26 and 403,531.47 is: 556,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,063.22 : 1,025,427.26 = 403,531.47 : x
  2. Step 2: Convert to fraction form
    743,063.22/1,025,427.26 = 403,531.47/x
  3. Step 3: Cross multiply
    743,063.22x = 1,025,427.26 × 403,531.47
  4. Step 4: Simplify right side
    743,063.22x = 413,792,167,588.22
  5. Step 5: Solve for x
    x = 413,792,167,588.22/743,063.22
  6. Step 6: Final answer
    x = 556,873.43

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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.