Home / 783,477.30-1,175,320.58-310,052.02

Finding the Fourth Proportional to 783,477.30, 1,175,320.58 and 310,052.02

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Solution

The fourth proportional to 783,477.30, 1,175,320.58 and 310,052.02 is: 465,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,477.30 : 1,175,320.58 = 310,052.02 : x
  2. Step 2: Convert to fraction form
    783,477.30/1,175,320.58 = 310,052.02/x
  3. Step 3: Cross multiply
    783,477.30x = 1,175,320.58 × 310,052.02
  4. Step 4: Simplify right side
    783,477.30x = 364,410,519,976.57
  5. Step 5: Solve for x
    x = 364,410,519,976.57/783,477.30
  6. Step 6: Final answer
    x = 465,119.44

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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.