Home / 942,836.72-1,301,089.68-513,107.64

Finding the Fourth Proportional to 942,836.72, 1,301,089.68 and 513,107.64

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Solution

The fourth proportional to 942,836.72, 1,301,089.68 and 513,107.64 is: 708,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,836.72 : 1,301,089.68 = 513,107.64 : x
  2. Step 2: Convert to fraction form
    942,836.72/1,301,089.68 = 513,107.64/x
  3. Step 3: Cross multiply
    942,836.72x = 1,301,089.68 × 513,107.64
  4. Step 4: Simplify right side
    942,836.72x = 667,599,055,133.16
  5. Step 5: Solve for x
    x = 667,599,055,133.16/942,836.72
  6. Step 6: Final answer
    x = 708,074.95

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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.