Home / 452,935.60-679,403.40-228,986.80

Finding the Fourth Proportional to 452,935.60, 679,403.40 and 228,986.80

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Solution

The fourth proportional to 452,935.60, 679,403.40 and 228,986.80 is: 343,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,935.60 : 679,403.40 = 228,986.80 : x
  2. Step 2: Convert to fraction form
    452,935.60/679,403.40 = 228,986.80/x
  3. Step 3: Cross multiply
    452,935.60x = 679,403.40 × 228,986.80
  4. Step 4: Simplify right side
    452,935.60x = 155,574,410,475.12
  5. Step 5: Solve for x
    x = 155,574,410,475.12/452,935.60
  6. Step 6: Final answer
    x = 343,480.20

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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.