Home / 783,458.08-1,081,156.86-456,832.06

Finding the Fourth Proportional to 783,458.08, 1,081,156.86 and 456,832.06

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Solution

The fourth proportional to 783,458.08, 1,081,156.86 and 456,832.06 is: 630,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,458.08 : 1,081,156.86 = 456,832.06 : x
  2. Step 2: Convert to fraction form
    783,458.08/1,081,156.86 = 456,832.06/x
  3. Step 3: Cross multiply
    783,458.08x = 1,081,156.86 × 456,832.06
  4. Step 4: Simplify right side
    783,458.08x = 493,907,115,536.93
  5. Step 5: Solve for x
    x = 493,907,115,536.93/783,458.08
  6. Step 6: Final answer
    x = 630,419.33

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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.