Home / 456,540.02-630,226.98-272,843.39

Finding the Fourth Proportional to 456,540.02, 630,226.98 and 272,843.39

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Solution

The fourth proportional to 456,540.02, 630,226.98 and 272,843.39 is: 376,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,540.02 : 630,226.98 = 272,843.39 : x
  2. Step 2: Convert to fraction form
    456,540.02/630,226.98 = 272,843.39/x
  3. Step 3: Cross multiply
    456,540.02x = 630,226.98 × 272,843.39
  4. Step 4: Simplify right side
    456,540.02x = 171,953,265,692.66
  5. Step 5: Solve for x
    x = 171,953,265,692.66/456,540.02
  6. Step 6: Final answer
    x = 376,644.45

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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.