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Finding the Fourth Proportional to 676,635.93, 933,743.30 and 370,697.41

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Solution

The fourth proportional to 676,635.93, 933,743.30 and 370,697.41 is: 511,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,635.93 : 933,743.30 = 370,697.41 : x
  2. Step 2: Convert to fraction form
    676,635.93/933,743.30 = 370,697.41/x
  3. Step 3: Cross multiply
    676,635.93x = 933,743.30 × 370,697.41
  4. Step 4: Simplify right side
    676,635.93x = 346,136,222,228.55
  5. Step 5: Solve for x
    x = 346,136,222,228.55/676,635.93
  6. Step 6: Final answer
    x = 511,554.60

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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.