Home / 432,001.40-648,002.10-304,820.60

Finding the Fourth Proportional to 432,001.40, 648,002.10 and 304,820.60

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Solution

The fourth proportional to 432,001.40, 648,002.10 and 304,820.60 is: 457,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,001.40 : 648,002.10 = 304,820.60 : x
  2. Step 2: Convert to fraction form
    432,001.40/648,002.10 = 304,820.60/x
  3. Step 3: Cross multiply
    432,001.40x = 648,002.10 × 304,820.60
  4. Step 4: Simplify right side
    432,001.40x = 197,524,388,923.26
  5. Step 5: Solve for x
    x = 197,524,388,923.26/432,001.40
  6. Step 6: Final answer
    x = 457,230.90

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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.