Home / 945,207.40-1,418,732.70-472,426.60

Finding the Fourth Proportional to 945,207.40, 1,418,732.70 and 472,426.60

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Solution

The fourth proportional to 945,207.40, 1,418,732.70 and 472,426.60 is: 709,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,207.40 : 1,418,732.70 = 472,426.60 : x
  2. Step 2: Convert to fraction form
    945,207.40/1,418,732.70 = 472,426.60/x
  3. Step 3: Cross multiply
    945,207.40x = 1,418,732.70 × 472,426.60
  4. Step 4: Simplify right side
    945,207.40x = 670,247,065,769.82
  5. Step 5: Solve for x
    x = 670,247,065,769.82/945,207.40
  6. Step 6: Final answer
    x = 709,100.53

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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.