Home / 780,033.60-1,170,050.40-306,561.60

Finding the Fourth Proportional to 780,033.60, 1,170,050.40 and 306,561.60

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Solution

The fourth proportional to 780,033.60, 1,170,050.40 and 306,561.60 is: 459,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,033.60 : 1,170,050.40 = 306,561.60 : x
  2. Step 2: Convert to fraction form
    780,033.60/1,170,050.40 = 306,561.60/x
  3. Step 3: Cross multiply
    780,033.60x = 1,170,050.40 × 306,561.60
  4. Step 4: Simplify right side
    780,033.60x = 358,692,522,704.64
  5. Step 5: Solve for x
    x = 358,692,522,704.64/780,033.60
  6. Step 6: Final answer
    x = 459,842.40

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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.