Home / 1,010,306.26-1,515,708.90-300,331.30

Finding the Fourth Proportional to 1,010,306.26, 1,515,708.90 and 300,331.30

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Solution

The fourth proportional to 1,010,306.26, 1,515,708.90 and 300,331.30 is: 450,571.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,306.26 : 1,515,708.90 = 300,331.30 : x
  2. Step 2: Convert to fraction form
    1,010,306.26/1,515,708.90 = 300,331.30/x
  3. Step 3: Cross multiply
    1,010,306.26x = 1,515,708.90 × 300,331.30
  4. Step 4: Simplify right side
    1,010,306.26x = 455,214,824,358.57
  5. Step 5: Solve for x
    x = 455,214,824,358.57/1,010,306.26
  6. Step 6: Final answer
    x = 450,571.12

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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.