Home / 748,618.20-1,122,927.30-299,116.80

Finding the Fourth Proportional to 748,618.20, 1,122,927.30 and 299,116.80

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Solution

The fourth proportional to 748,618.20, 1,122,927.30 and 299,116.80 is: 448,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,618.20 : 1,122,927.30 = 299,116.80 : x
  2. Step 2: Convert to fraction form
    748,618.20/1,122,927.30 = 299,116.80/x
  3. Step 3: Cross multiply
    748,618.20x = 1,122,927.30 × 299,116.80
  4. Step 4: Simplify right side
    748,618.20x = 335,886,420,608.64
  5. Step 5: Solve for x
    x = 335,886,420,608.64/748,618.20
  6. Step 6: Final answer
    x = 448,675.20

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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.