Home / 456,520.97-630,200.70-272,824.35

Finding the Fourth Proportional to 456,520.97, 630,200.70 and 272,824.35

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Solution

The fourth proportional to 456,520.97, 630,200.70 and 272,824.35 is: 376,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,520.97 : 630,200.70 = 272,824.35 : x
  2. Step 2: Convert to fraction form
    456,520.97/630,200.70 = 272,824.35/x
  3. Step 3: Cross multiply
    456,520.97x = 630,200.70 × 272,824.35
  4. Step 4: Simplify right side
    456,520.97x = 171,934,096,347.05
  5. Step 5: Solve for x
    x = 171,934,096,347.05/456,520.97
  6. Step 6: Final answer
    x = 376,618.18

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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.