Home / 712,183.20-1,068,274.80-446,762.40

Finding the Fourth Proportional to 712,183.20, 1,068,274.80 and 446,762.40

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Solution

The fourth proportional to 712,183.20, 1,068,274.80 and 446,762.40 is: 670,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,183.20 : 1,068,274.80 = 446,762.40 : x
  2. Step 2: Convert to fraction form
    712,183.20/1,068,274.80 = 446,762.40/x
  3. Step 3: Cross multiply
    712,183.20x = 1,068,274.80 × 446,762.40
  4. Step 4: Simplify right side
    712,183.20x = 477,265,013,507.52
  5. Step 5: Solve for x
    x = 477,265,013,507.52/712,183.20
  6. Step 6: Final answer
    x = 670,143.60

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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.