Home / 691,768.10-1,037,967.41-355,045.19

Finding the Fourth Proportional to 691,768.10, 1,037,967.41 and 355,045.19

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Solution

The fourth proportional to 691,768.10, 1,037,967.41 and 355,045.19 is: 532,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,768.10 : 1,037,967.41 = 355,045.19 : x
  2. Step 2: Convert to fraction form
    691,768.10/1,037,967.41 = 355,045.19/x
  3. Step 3: Cross multiply
    691,768.10x = 1,037,967.41 × 355,045.19
  4. Step 4: Simplify right side
    691,768.10x = 368,525,331,995.03
  5. Step 5: Solve for x
    x = 368,525,331,995.03/691,768.10
  6. Step 6: Final answer
    x = 532,729.58

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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.