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Finding the Fourth Proportional to 635,594.40, 877,126.59 and 345,211.62

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Solution

The fourth proportional to 635,594.40, 877,126.59 and 345,211.62 is: 476,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,594.40 : 877,126.59 = 345,211.62 : x
  2. Step 2: Convert to fraction form
    635,594.40/877,126.59 = 345,211.62/x
  3. Step 3: Cross multiply
    635,594.40x = 877,126.59 × 345,211.62
  4. Step 4: Simplify right side
    635,594.40x = 302,794,291,078.98
  5. Step 5: Solve for x
    x = 302,794,291,078.98/635,594.40
  6. Step 6: Final answer
    x = 476,395.47

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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.