Home / 993,739.56-1,371,360.87-558,157.59

Finding the Fourth Proportional to 993,739.56, 1,371,360.87 and 558,157.59

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Solution

The fourth proportional to 993,739.56, 1,371,360.87 and 558,157.59 is: 770,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,739.56 : 1,371,360.87 = 558,157.59 : x
  2. Step 2: Convert to fraction form
    993,739.56/1,371,360.87 = 558,157.59/x
  3. Step 3: Cross multiply
    993,739.56x = 1,371,360.87 × 558,157.59
  4. Step 4: Simplify right side
    993,739.56x = 765,435,478,219.50
  5. Step 5: Solve for x
    x = 765,435,478,219.50/993,739.56
  6. Step 6: Final answer
    x = 770,257.63

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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.