Home / 783,477.09-1,175,216.01-517,175.37

Finding the Fourth Proportional to 783,477.09, 1,175,216.01 and 517,175.37

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Solution

The fourth proportional to 783,477.09, 1,175,216.01 and 517,175.37 is: 775,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,477.09 : 1,175,216.01 = 517,175.37 : x
  2. Step 2: Convert to fraction form
    783,477.09/1,175,216.01 = 517,175.37/x
  3. Step 3: Cross multiply
    783,477.09x = 1,175,216.01 × 517,175.37
  4. Step 4: Simplify right side
    783,477.09x = 607,792,774,801.67
  5. Step 5: Solve for x
    x = 607,792,774,801.67/783,477.09
  6. Step 6: Final answer
    x = 775,763.30

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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.