Home / 820,364.58-1,230,583.32-251,704.08

Finding the Fourth Proportional to 820,364.58, 1,230,583.32 and 251,704.08

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Solution

The fourth proportional to 820,364.58, 1,230,583.32 and 251,704.08 is: 377,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,364.58 : 1,230,583.32 = 251,704.08 : x
  2. Step 2: Convert to fraction form
    820,364.58/1,230,583.32 = 251,704.08/x
  3. Step 3: Cross multiply
    820,364.58x = 1,230,583.32 × 251,704.08
  4. Step 4: Simplify right side
    820,364.58x = 309,742,842,423.95
  5. Step 5: Solve for x
    x = 309,742,842,423.95/820,364.58
  6. Step 6: Final answer
    x = 377,567.30

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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.