Home / 920,754.74-1,270,705.37-558,193.88

Finding the Fourth Proportional to 920,754.74, 1,270,705.37 and 558,193.88

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Solution

The fourth proportional to 920,754.74, 1,270,705.37 and 558,193.88 is: 770,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,754.74 : 1,270,705.37 = 558,193.88 : x
  2. Step 2: Convert to fraction form
    920,754.74/1,270,705.37 = 558,193.88/x
  3. Step 3: Cross multiply
    920,754.74x = 1,270,705.37 × 558,193.88
  4. Step 4: Simplify right side
    920,754.74x = 709,299,951,672.64
  5. Step 5: Solve for x
    x = 709,299,951,672.64/920,754.74
  6. Step 6: Final answer
    x = 770,346.24

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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.