Home / 748,260.74-1,122,556.95-215,740.22

Finding the Fourth Proportional to 748,260.74, 1,122,556.95 and 215,740.22

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Solution

The fourth proportional to 748,260.74, 1,122,556.95 and 215,740.22 is: 323,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,260.74 : 1,122,556.95 = 215,740.22 : x
  2. Step 2: Convert to fraction form
    748,260.74/1,122,556.95 = 215,740.22/x
  3. Step 3: Cross multiply
    748,260.74x = 1,122,556.95 × 215,740.22
  4. Step 4: Simplify right side
    748,260.74x = 242,180,677,742.74
  5. Step 5: Solve for x
    x = 242,180,677,742.74/748,260.74
  6. Step 6: Final answer
    x = 323,658.14

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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.