Home / 648,289.54-972,587.05-221,830.01

Finding the Fourth Proportional to 648,289.54, 972,587.05 and 221,830.01

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Solution

The fourth proportional to 648,289.54, 972,587.05 and 221,830.01 is: 332,797.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,289.54 : 972,587.05 = 221,830.01 : x
  2. Step 2: Convert to fraction form
    648,289.54/972,587.05 = 221,830.01/x
  3. Step 3: Cross multiply
    648,289.54x = 972,587.05 × 221,830.01
  4. Step 4: Simplify right side
    648,289.54x = 215,748,990,164.44
  5. Step 5: Solve for x
    x = 215,748,990,164.44/648,289.54
  6. Step 6: Final answer
    x = 332,797.27

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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.