Home / 426,073.23-588,418.63-353,738.21

Finding the Fourth Proportional to 426,073.23, 588,418.63 and 353,738.21

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Solution

The fourth proportional to 426,073.23, 588,418.63 and 353,738.21 is: 488,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,073.23 : 588,418.63 = 353,738.21 : x
  2. Step 2: Convert to fraction form
    426,073.23/588,418.63 = 353,738.21/x
  3. Step 3: Cross multiply
    426,073.23x = 588,418.63 × 353,738.21
  4. Step 4: Simplify right side
    426,073.23x = 208,146,149,080.41
  5. Step 5: Solve for x
    x = 208,146,149,080.41/426,073.23
  6. Step 6: Final answer
    x = 488,522.01

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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.