Home / 783,477.80-1,175,321.33-310,052.52

Finding the Fourth Proportional to 783,477.80, 1,175,321.33 and 310,052.52

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Solution

The fourth proportional to 783,477.80, 1,175,321.33 and 310,052.52 is: 465,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,477.80 : 1,175,321.33 = 310,052.52 : x
  2. Step 2: Convert to fraction form
    783,477.80/1,175,321.33 = 310,052.52/x
  3. Step 3: Cross multiply
    783,477.80x = 1,175,321.33 × 310,052.52
  4. Step 4: Simplify right side
    783,477.80x = 364,411,340,176.25
  5. Step 5: Solve for x
    x = 364,411,340,176.25/783,477.80
  6. Step 6: Final answer
    x = 465,120.19

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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.