Home / 742,778.76-1,114,955.34-462,493.32

Finding the Fourth Proportional to 742,778.76, 1,114,955.34 and 462,493.32

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Solution

The fourth proportional to 742,778.76, 1,114,955.34 and 462,493.32 is: 694,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,778.76 : 1,114,955.34 = 462,493.32 : x
  2. Step 2: Convert to fraction form
    742,778.76/1,114,955.34 = 462,493.32/x
  3. Step 3: Cross multiply
    742,778.76x = 1,114,955.34 × 462,493.32
  4. Step 4: Simplify right side
    742,778.76x = 515,659,396,848.33
  5. Step 5: Solve for x
    x = 515,659,396,848.33/742,778.76
  6. Step 6: Final answer
    x = 694,230.13

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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.