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Finding the Fourth Proportional to 676,294.56, 933,279.72 and 366,195.60

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Solution

The fourth proportional to 676,294.56, 933,279.72 and 366,195.60 is: 505,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,294.56 : 933,279.72 = 366,195.60 : x
  2. Step 2: Convert to fraction form
    676,294.56/933,279.72 = 366,195.60/x
  3. Step 3: Cross multiply
    676,294.56x = 933,279.72 × 366,195.60
  4. Step 4: Simplify right side
    676,294.56x = 341,762,927,033.23
  5. Step 5: Solve for x
    x = 341,762,927,033.23/676,294.56
  6. Step 6: Final answer
    x = 505,346.26

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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.