Home / 744,006.20-1,116,446.70-270,739.40

Finding the Fourth Proportional to 744,006.20, 1,116,446.70 and 270,739.40

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Solution

The fourth proportional to 744,006.20, 1,116,446.70 and 270,739.40 is: 406,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,006.20 : 1,116,446.70 = 270,739.40 : x
  2. Step 2: Convert to fraction form
    744,006.20/1,116,446.70 = 270,739.40/x
  3. Step 3: Cross multiply
    744,006.20x = 1,116,446.70 × 270,739.40
  4. Step 4: Simplify right side
    744,006.20x = 302,266,109,689.98
  5. Step 5: Solve for x
    x = 302,266,109,689.98/744,006.20
  6. Step 6: Final answer
    x = 406,268.27

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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.