Home / 746,055.40-1,119,083.10-644,578.60

Finding the Fourth Proportional to 746,055.40, 1,119,083.10 and 644,578.60

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Solution

The fourth proportional to 746,055.40, 1,119,083.10 and 644,578.60 is: 966,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,055.40 : 1,119,083.10 = 644,578.60 : x
  2. Step 2: Convert to fraction form
    746,055.40/1,119,083.10 = 644,578.60/x
  3. Step 3: Cross multiply
    746,055.40x = 1,119,083.10 × 644,578.60
  4. Step 4: Simplify right side
    746,055.40x = 721,337,017,881.66
  5. Step 5: Solve for x
    x = 721,337,017,881.66/746,055.40
  6. Step 6: Final answer
    x = 966,867.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.