Home / 977,963.20-1,467,382.20-472,328.80

Finding the Fourth Proportional to 977,963.20, 1,467,382.20 and 472,328.80

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Solution

The fourth proportional to 977,963.20, 1,467,382.20 and 472,328.80 is: 708,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,963.20 : 1,467,382.20 = 472,328.80 : x
  2. Step 2: Convert to fraction form
    977,963.20/1,467,382.20 = 472,328.80/x
  3. Step 3: Cross multiply
    977,963.20x = 1,467,382.20 × 472,328.80
  4. Step 4: Simplify right side
    977,963.20x = 693,086,873,667.36
  5. Step 5: Solve for x
    x = 693,086,873,667.36/977,963.20
  6. Step 6: Final answer
    x = 708,704.45

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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.