Home / 434,420.20-651,630.30-301,709.80

Finding the Fourth Proportional to 434,420.20, 651,630.30 and 301,709.80

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Solution

The fourth proportional to 434,420.20, 651,630.30 and 301,709.80 is: 452,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,420.20 : 651,630.30 = 301,709.80 : x
  2. Step 2: Convert to fraction form
    434,420.20/651,630.30 = 301,709.80/x
  3. Step 3: Cross multiply
    434,420.20x = 651,630.30 × 301,709.80
  4. Step 4: Simplify right side
    434,420.20x = 196,603,247,486.94
  5. Step 5: Solve for x
    x = 196,603,247,486.94/434,420.20
  6. Step 6: Final answer
    x = 452,564.70

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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.