Home / 613,705.41-920,130.26-271,962.75

Finding the Fourth Proportional to 613,705.41, 920,130.26 and 271,962.75

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Solution

The fourth proportional to 613,705.41, 920,130.26 and 271,962.75 is: 407,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,705.41 : 920,130.26 = 271,962.75 : x
  2. Step 2: Convert to fraction form
    613,705.41/920,130.26 = 271,962.75/x
  3. Step 3: Cross multiply
    613,705.41x = 920,130.26 × 271,962.75
  4. Step 4: Simplify right side
    613,705.41x = 250,241,155,867.82
  5. Step 5: Solve for x
    x = 250,241,155,867.82/613,705.41
  6. Step 6: Final answer
    x = 407,754.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.