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Finding the Fourth Proportional to 635,602.92, 877,147.28 and 345,225.21

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Solution

The fourth proportional to 635,602.92, 877,147.28 and 345,225.21 is: 476,419.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,602.92 : 877,147.28 = 345,225.21 : x
  2. Step 2: Convert to fraction form
    635,602.92/877,147.28 = 345,225.21/x
  3. Step 3: Cross multiply
    635,602.92x = 877,147.28 × 345,225.21
  4. Step 4: Simplify right side
    635,602.92x = 302,813,352,212.80
  5. Step 5: Solve for x
    x = 302,813,352,212.80/635,602.92
  6. Step 6: Final answer
    x = 476,419.07

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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.