Home / 820,226.40-1,230,466.32-346,914.40

Finding the Fourth Proportional to 820,226.40, 1,230,466.32 and 346,914.40

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Solution

The fourth proportional to 820,226.40, 1,230,466.32 and 346,914.40 is: 520,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,226.40 : 1,230,466.32 = 346,914.40 : x
  2. Step 2: Convert to fraction form
    820,226.40/1,230,466.32 = 346,914.40/x
  3. Step 3: Cross multiply
    820,226.40x = 1,230,466.32 × 346,914.40
  4. Step 4: Simplify right side
    820,226.40x = 426,866,485,123.01
  5. Step 5: Solve for x
    x = 426,866,485,123.01/820,226.40
  6. Step 6: Final answer
    x = 520,425.20

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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.