Home / 745,043.04-1,028,181.66-458,728.32

Finding the Fourth Proportional to 745,043.04, 1,028,181.66 and 458,728.32

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Solution

The fourth proportional to 745,043.04, 1,028,181.66 and 458,728.32 is: 633,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,043.04 : 1,028,181.66 = 458,728.32 : x
  2. Step 2: Convert to fraction form
    745,043.04/1,028,181.66 = 458,728.32/x
  3. Step 3: Cross multiply
    745,043.04x = 1,028,181.66 × 458,728.32
  4. Step 4: Simplify right side
    745,043.04x = 471,656,045,546.61
  5. Step 5: Solve for x
    x = 471,656,045,546.61/745,043.04
  6. Step 6: Final answer
    x = 633,058.79

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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.