Home / 846,021.76-1,268,631.04-491,145.60

Finding the Fourth Proportional to 846,021.76, 1,268,631.04 and 491,145.60

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Solution

The fourth proportional to 846,021.76, 1,268,631.04 and 491,145.60 is: 736,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,021.76 : 1,268,631.04 = 491,145.60 : x
  2. Step 2: Convert to fraction form
    846,021.76/1,268,631.04 = 491,145.60/x
  3. Step 3: Cross multiply
    846,021.76x = 1,268,631.04 × 491,145.60
  4. Step 4: Simplify right side
    846,021.76x = 623,082,553,319.42
  5. Step 5: Solve for x
    x = 623,082,553,319.42/846,021.76
  6. Step 6: Final answer
    x = 736,485.26

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Double scale
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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.