Home / 456,936.06-630,800.55-287,263.74

Finding the Fourth Proportional to 456,936.06, 630,800.55 and 287,263.74

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Solution

The fourth proportional to 456,936.06, 630,800.55 and 287,263.74 is: 396,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,936.06 : 630,800.55 = 287,263.74 : x
  2. Step 2: Convert to fraction form
    456,936.06/630,800.55 = 287,263.74/x
  3. Step 3: Cross multiply
    456,936.06x = 630,800.55 × 287,263.74
  4. Step 4: Simplify right side
    456,936.06x = 181,206,125,187.06
  5. Step 5: Solve for x
    x = 181,206,125,187.06/456,936.06
  6. Step 6: Final answer
    x = 396,567.79

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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.