Home / 433,220.20-649,052.70-371,012.20

Finding the Fourth Proportional to 433,220.20, 649,052.70 and 371,012.20

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Solution

The fourth proportional to 433,220.20, 649,052.70 and 371,012.20 is: 555,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,220.20 : 649,052.70 = 371,012.20 : x
  2. Step 2: Convert to fraction form
    433,220.20/649,052.70 = 371,012.20/x
  3. Step 3: Cross multiply
    433,220.20x = 649,052.70 × 371,012.20
  4. Step 4: Simplify right side
    433,220.20x = 240,806,470,142.94
  5. Step 5: Solve for x
    x = 240,806,470,142.94/433,220.20
  6. Step 6: Final answer
    x = 555,852.36

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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.