Home / 963,369.78-1,445,129.39-289,398.34

Finding the Fourth Proportional to 963,369.78, 1,445,129.39 and 289,398.34

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Solution

The fourth proportional to 963,369.78, 1,445,129.39 and 289,398.34 is: 434,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,369.78 : 1,445,129.39 = 289,398.34 : x
  2. Step 2: Convert to fraction form
    963,369.78/1,445,129.39 = 289,398.34/x
  3. Step 3: Cross multiply
    963,369.78x = 1,445,129.39 × 289,398.34
  4. Step 4: Simplify right side
    963,369.78x = 418,218,046,551.21
  5. Step 5: Solve for x
    x = 418,218,046,551.21/963,369.78
  6. Step 6: Final answer
    x = 434,119.96

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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.