Home / 456,541.02-630,228.36-272,844.39

Finding the Fourth Proportional to 456,541.02, 630,228.36 and 272,844.39

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Solution

The fourth proportional to 456,541.02, 630,228.36 and 272,844.39 is: 376,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,541.02 : 630,228.36 = 272,844.39 : x
  2. Step 2: Convert to fraction form
    456,541.02/630,228.36 = 272,844.39/x
  3. Step 3: Cross multiply
    456,541.02x = 630,228.36 × 272,844.39
  4. Step 4: Simplify right side
    456,541.02x = 171,954,272,444.90
  5. Step 5: Solve for x
    x = 171,954,272,444.90/456,541.02
  6. Step 6: Final answer
    x = 376,645.83

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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.