Home / 838,956.12-1,157,759.94-456,984.60

Finding the Fourth Proportional to 838,956.12, 1,157,759.94 and 456,984.60

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Solution

The fourth proportional to 838,956.12, 1,157,759.94 and 456,984.60 is: 630,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,956.12 : 1,157,759.94 = 456,984.60 : x
  2. Step 2: Convert to fraction form
    838,956.12/1,157,759.94 = 456,984.60/x
  3. Step 3: Cross multiply
    838,956.12x = 1,157,759.94 × 456,984.60
  4. Step 4: Simplify right side
    838,956.12x = 529,078,463,076.92
  5. Step 5: Solve for x
    x = 529,078,463,076.92/838,956.12
  6. Step 6: Final answer
    x = 630,639.02

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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.