Home / 776,457.33-1,071,135.48-500,742.44

Finding the Fourth Proportional to 776,457.33, 1,071,135.48 and 500,742.44

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Solution

The fourth proportional to 776,457.33, 1,071,135.48 and 500,742.44 is: 690,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,457.33 : 1,071,135.48 = 500,742.44 : x
  2. Step 2: Convert to fraction form
    776,457.33/1,071,135.48 = 500,742.44/x
  3. Step 3: Cross multiply
    776,457.33x = 1,071,135.48 × 500,742.44
  4. Step 4: Simplify right side
    776,457.33x = 536,362,993,825.77
  5. Step 5: Solve for x
    x = 536,362,993,825.77/776,457.33
  6. Step 6: Final answer
    x = 690,782.32

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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.