Home / 432,439.86-648,662.10-283,622.55

Finding the Fourth Proportional to 432,439.86, 648,662.10 and 283,622.55

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Solution

The fourth proportional to 432,439.86, 648,662.10 and 283,622.55 is: 425,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,439.86 : 648,662.10 = 283,622.55 : x
  2. Step 2: Convert to fraction form
    432,439.86/648,662.10 = 283,622.55/x
  3. Step 3: Cross multiply
    432,439.86x = 648,662.10 × 283,622.55
  4. Step 4: Simplify right side
    432,439.86x = 183,975,198,890.36
  5. Step 5: Solve for x
    x = 183,975,198,890.36/432,439.86
  6. Step 6: Final answer
    x = 425,435.34

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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.