Home / 839,704.59-1,158,748.74-477,078.12

Finding the Fourth Proportional to 839,704.59, 1,158,748.74 and 477,078.12

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Solution

The fourth proportional to 839,704.59, 1,158,748.74 and 477,078.12 is: 658,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,704.59 : 1,158,748.74 = 477,078.12 : x
  2. Step 2: Convert to fraction form
    839,704.59/1,158,748.74 = 477,078.12/x
  3. Step 3: Cross multiply
    839,704.59x = 1,158,748.74 × 477,078.12
  4. Step 4: Simplify right side
    839,704.59x = 552,813,670,431.57
  5. Step 5: Solve for x
    x = 552,813,670,431.57/839,704.59
  6. Step 6: Final answer
    x = 658,343.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.