Home / 744,354.80-1,116,511.38-238,911.80

Finding the Fourth Proportional to 744,354.80, 1,116,511.38 and 238,911.80

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Solution

The fourth proportional to 744,354.80, 1,116,511.38 and 238,911.80 is: 358,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,354.80 : 1,116,511.38 = 238,911.80 : x
  2. Step 2: Convert to fraction form
    744,354.80/1,116,511.38 = 238,911.80/x
  3. Step 3: Cross multiply
    744,354.80x = 1,116,511.38 × 238,911.80
  4. Step 4: Simplify right side
    744,354.80x = 266,747,743,516.28
  5. Step 5: Solve for x
    x = 266,747,743,516.28/744,354.80
  6. Step 6: Final answer
    x = 358,361.02

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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.