Home / 763,769.39-1,054,035.11-424,237.64

Finding the Fourth Proportional to 763,769.39, 1,054,035.11 and 424,237.64

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Solution

The fourth proportional to 763,769.39, 1,054,035.11 and 424,237.64 is: 585,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,769.39 : 1,054,035.11 = 424,237.64 : x
  2. Step 2: Convert to fraction form
    763,769.39/1,054,035.11 = 424,237.64/x
  3. Step 3: Cross multiply
    763,769.39x = 1,054,035.11 × 424,237.64
  4. Step 4: Simplify right side
    763,769.39x = 447,161,363,333.96
  5. Step 5: Solve for x
    x = 447,161,363,333.96/763,769.39
  6. Step 6: Final answer
    x = 585,466.47

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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.