Home / 733,684.80-1,099,980.45-378,953.40

Finding the Fourth Proportional to 733,684.80, 1,099,980.45 and 378,953.40

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Solution

The fourth proportional to 733,684.80, 1,099,980.45 and 378,953.40 is: 568,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,684.80 : 1,099,980.45 = 378,953.40 : x
  2. Step 2: Convert to fraction form
    733,684.80/1,099,980.45 = 378,953.40/x
  3. Step 3: Cross multiply
    733,684.80x = 1,099,980.45 × 378,953.40
  4. Step 4: Simplify right side
    733,684.80x = 416,841,331,461.03
  5. Step 5: Solve for x
    x = 416,841,331,461.03/733,684.80
  6. Step 6: Final answer
    x = 568,147.70

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1.5x scale

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.