Home / 774,688.03-1,162,099.03-213,722.53

Finding the Fourth Proportional to 774,688.03, 1,162,099.03 and 213,722.53

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Solution

The fourth proportional to 774,688.03, 1,162,099.03 and 213,722.53 is: 320,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,688.03 : 1,162,099.03 = 213,722.53 : x
  2. Step 2: Convert to fraction form
    774,688.03/1,162,099.03 = 213,722.53/x
  3. Step 3: Cross multiply
    774,688.03x = 1,162,099.03 × 213,722.53
  4. Step 4: Simplify right side
    774,688.03x = 248,366,744,802.15
  5. Step 5: Solve for x
    x = 248,366,744,802.15/774,688.03
  6. Step 6: Final answer
    x = 320,602.27

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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.