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Finding the Fourth Proportional to 703,931.88, 972,227.85 and 477,183.72

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Solution

The fourth proportional to 703,931.88, 972,227.85 and 477,183.72 is: 659,057.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,931.88 : 972,227.85 = 477,183.72 : x
  2. Step 2: Convert to fraction form
    703,931.88/972,227.85 = 477,183.72/x
  3. Step 3: Cross multiply
    703,931.88x = 972,227.85 × 477,183.72
  4. Step 4: Simplify right side
    703,931.88x = 463,931,302,150.60
  5. Step 5: Solve for x
    x = 463,931,302,150.60/703,931.88
  6. Step 6: Final answer
    x = 659,057.10

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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.