Home / 456,576.40-630,328.82-275,334.24

Finding the Fourth Proportional to 456,576.40, 630,328.82 and 275,334.24

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Solution

The fourth proportional to 456,576.40, 630,328.82 and 275,334.24 is: 380,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,576.40 : 630,328.82 = 275,334.24 : x
  2. Step 2: Convert to fraction form
    456,576.40/630,328.82 = 275,334.24/x
  3. Step 3: Cross multiply
    456,576.40x = 630,328.82 × 275,334.24
  4. Step 4: Simplify right side
    456,576.40x = 173,551,108,733.13
  5. Step 5: Solve for x
    x = 173,551,108,733.13/456,576.40
  6. Step 6: Final answer
    x = 380,114.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.