Home / 901,986.90-1,352,980.35-270,818.70

Finding the Fourth Proportional to 901,986.90, 1,352,980.35 and 270,818.70

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Solution

The fourth proportional to 901,986.90, 1,352,980.35 and 270,818.70 is: 406,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,986.90 : 1,352,980.35 = 270,818.70 : x
  2. Step 2: Convert to fraction form
    901,986.90/1,352,980.35 = 270,818.70/x
  3. Step 3: Cross multiply
    901,986.90x = 1,352,980.35 × 270,818.70
  4. Step 4: Simplify right side
    901,986.90x = 366,412,379,512.55
  5. Step 5: Solve for x
    x = 366,412,379,512.55/901,986.90
  6. Step 6: Final answer
    x = 406,228.05

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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.