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Finding the Fourth Proportional to 635,670.70, 877,236.15 and 345,282.83

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Solution

The fourth proportional to 635,670.70, 877,236.15 and 345,282.83 is: 476,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,670.70 : 877,236.15 = 345,282.83 : x
  2. Step 2: Convert to fraction form
    635,670.70/877,236.15 = 345,282.83/x
  3. Step 3: Cross multiply
    635,670.70x = 877,236.15 × 345,282.83
  4. Step 4: Simplify right side
    635,670.70x = 302,894,580,450.31
  5. Step 5: Solve for x
    x = 302,894,580,450.31/635,670.70
  6. Step 6: Final answer
    x = 476,496.05

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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.