Home / 939,903.61-1,410,085.05-300,207.48

Finding the Fourth Proportional to 939,903.61, 1,410,085.05 and 300,207.48

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Solution

The fourth proportional to 939,903.61, 1,410,085.05 and 300,207.48 is: 450,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,903.61 : 1,410,085.05 = 300,207.48 : x
  2. Step 2: Convert to fraction form
    939,903.61/1,410,085.05 = 300,207.48/x
  3. Step 3: Cross multiply
    939,903.61x = 1,410,085.05 × 300,207.48
  4. Step 4: Simplify right side
    939,903.61x = 423,318,079,446.17
  5. Step 5: Solve for x
    x = 423,318,079,446.17/939,903.61
  6. Step 6: Final answer
    x = 450,384.57

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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.