Home / 635,913.21-877,550.10-349,427.15

Finding the Fourth Proportional to 635,913.21, 877,550.10 and 349,427.15

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Solution

The fourth proportional to 635,913.21, 877,550.10 and 349,427.15 is: 482,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,913.21 : 877,550.10 = 349,427.15 : x
  2. Step 2: Convert to fraction form
    635,913.21/877,550.10 = 349,427.15/x
  3. Step 3: Cross multiply
    635,913.21x = 877,550.10 × 349,427.15
  4. Step 4: Simplify right side
    635,913.21x = 306,639,826,037.47
  5. Step 5: Solve for x
    x = 306,639,826,037.47/635,913.21
  6. Step 6: Final answer
    x = 482,203.89

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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.