Home / 869,010.40-1,303,515.60-370,309.60

Finding the Fourth Proportional to 869,010.40, 1,303,515.60 and 370,309.60

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Solution

The fourth proportional to 869,010.40, 1,303,515.60 and 370,309.60 is: 555,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,010.40 : 1,303,515.60 = 370,309.60 : x
  2. Step 2: Convert to fraction form
    869,010.40/1,303,515.60 = 370,309.60/x
  3. Step 3: Cross multiply
    869,010.40x = 1,303,515.60 × 370,309.60
  4. Step 4: Simplify right side
    869,010.40x = 482,704,340,429.76
  5. Step 5: Solve for x
    x = 482,704,340,429.76/869,010.40
  6. Step 6: Final answer
    x = 555,464.40

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Similar ratio
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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.