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Finding the Fourth Proportional to 676,833.44, 933,680.43 and 458,968.32

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Solution

The fourth proportional to 676,833.44, 933,680.43 and 458,968.32 is: 633,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,833.44 : 933,680.43 = 458,968.32 : x
  2. Step 2: Convert to fraction form
    676,833.44/933,680.43 = 458,968.32/x
  3. Step 3: Cross multiply
    676,833.44x = 933,680.43 × 458,968.32
  4. Step 4: Simplify right side
    676,833.44x = 428,529,738,373.98
  5. Step 5: Solve for x
    x = 428,529,738,373.98/676,833.44
  6. Step 6: Final answer
    x = 633,139.14

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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.