Home / 692,888.31-1,039,361.58-338,200.65

Finding the Fourth Proportional to 692,888.31, 1,039,361.58 and 338,200.65

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Solution

The fourth proportional to 692,888.31, 1,039,361.58 and 338,200.65 is: 507,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,888.31 : 1,039,361.58 = 338,200.65 : x
  2. Step 2: Convert to fraction form
    692,888.31/1,039,361.58 = 338,200.65/x
  3. Step 3: Cross multiply
    692,888.31x = 1,039,361.58 × 338,200.65
  4. Step 4: Simplify right side
    692,888.31x = 351,512,761,941.03
  5. Step 5: Solve for x
    x = 351,512,761,941.03/692,888.31
  6. Step 6: Final answer
    x = 507,315.19

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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.