Home / 903,872.64-1,247,302.56-495,964.56

Finding the Fourth Proportional to 903,872.64, 1,247,302.56 and 495,964.56

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Solution

The fourth proportional to 903,872.64, 1,247,302.56 and 495,964.56 is: 684,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,872.64 : 1,247,302.56 = 495,964.56 : x
  2. Step 2: Convert to fraction form
    903,872.64/1,247,302.56 = 495,964.56/x
  3. Step 3: Cross multiply
    903,872.64x = 1,247,302.56 × 495,964.56
  4. Step 4: Simplify right side
    903,872.64x = 618,617,865,357.27
  5. Step 5: Solve for x
    x = 618,617,865,357.27/903,872.64
  6. Step 6: Final answer
    x = 684,408.22

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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.