Home / 742,467.88-1,113,503.10-209,863.72

Finding the Fourth Proportional to 742,467.88, 1,113,503.10 and 209,863.72

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Solution

The fourth proportional to 742,467.88, 1,113,503.10 and 209,863.72 is: 314,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,467.88 : 1,113,503.10 = 209,863.72 : x
  2. Step 2: Convert to fraction form
    742,467.88/1,113,503.10 = 209,863.72/x
  3. Step 3: Cross multiply
    742,467.88x = 1,113,503.10 × 209,863.72
  4. Step 4: Simplify right side
    742,467.88x = 233,683,902,797.53
  5. Step 5: Solve for x
    x = 233,683,902,797.53/742,467.88
  6. Step 6: Final answer
    x = 314,739.41

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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.