Home / 402,964.40-603,928.20-245,025.20

Finding the Fourth Proportional to 402,964.40, 603,928.20 and 245,025.20

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Solution

The fourth proportional to 402,964.40, 603,928.20 and 245,025.20 is: 367,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,964.40 : 603,928.20 = 245,025.20 : x
  2. Step 2: Convert to fraction form
    402,964.40/603,928.20 = 245,025.20/x
  3. Step 3: Cross multiply
    402,964.40x = 603,928.20 × 245,025.20
  4. Step 4: Simplify right side
    402,964.40x = 147,977,627,990.64
  5. Step 5: Solve for x
    x = 147,977,627,990.64/402,964.40
  6. Step 6: Final answer
    x = 367,222.58

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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.