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Finding the Fourth Proportional to 676,116, 933,004.60 and 370,133.72

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Solution

The fourth proportional to 676,116, 933,004.60 and 370,133.72 is: 510,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,116 : 933,004.60 = 370,133.72 : x
  2. Step 2: Convert to fraction form
    676,116/933,004.60 = 370,133.72/x
  3. Step 3: Cross multiply
    676,116x = 933,004.60 × 370,133.72
  4. Step 4: Simplify right side
    676,116x = 345,336,463,375.11
  5. Step 5: Solve for x
    x = 345,336,463,375.11/676,116
  6. Step 6: Final answer
    x = 510,765.11

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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.