Home / 748,558.61-1,122,842.78-299,317.22

Finding the Fourth Proportional to 748,558.61, 1,122,842.78 and 299,317.22

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Solution

The fourth proportional to 748,558.61, 1,122,842.78 and 299,317.22 is: 448,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,558.61 : 1,122,842.78 = 299,317.22 : x
  2. Step 2: Convert to fraction form
    748,558.61/1,122,842.78 = 299,317.22/x
  3. Step 3: Cross multiply
    748,558.61x = 1,122,842.78 × 299,317.22
  4. Step 4: Simplify right side
    748,558.61x = 336,086,179,406.67
  5. Step 5: Solve for x
    x = 336,086,179,406.67/748,558.61
  6. Step 6: Final answer
    x = 448,977.78

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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.