Home / 866,965.20-1,300,674.60-334,503.60

Finding the Fourth Proportional to 866,965.20, 1,300,674.60 and 334,503.60

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Solution

The fourth proportional to 866,965.20, 1,300,674.60 and 334,503.60 is: 501,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,965.20 : 1,300,674.60 = 334,503.60 : x
  2. Step 2: Convert to fraction form
    866,965.20/1,300,674.60 = 334,503.60/x
  3. Step 3: Cross multiply
    866,965.20x = 1,300,674.60 × 334,503.60
  4. Step 4: Simplify right side
    866,965.20x = 435,080,336,128.56
  5. Step 5: Solve for x
    x = 435,080,336,128.56/866,965.20
  6. Step 6: Final answer
    x = 501,842.91

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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.