Home / 903,748.86-1,247,186.16-495,843.30

Finding the Fourth Proportional to 903,748.86, 1,247,186.16 and 495,843.30

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Solution

The fourth proportional to 903,748.86, 1,247,186.16 and 495,843.30 is: 684,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,748.86 : 1,247,186.16 = 495,843.30 : x
  2. Step 2: Convert to fraction form
    903,748.86/1,247,186.16 = 495,843.30/x
  3. Step 3: Cross multiply
    903,748.86x = 1,247,186.16 × 495,843.30
  4. Step 4: Simplify right side
    903,748.86x = 618,408,901,288.73
  5. Step 5: Solve for x
    x = 618,408,901,288.73/903,748.86
  6. Step 6: Final answer
    x = 684,270.74

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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.