Home / 874,284.12-1,311,605.24-368,845.20

Finding the Fourth Proportional to 874,284.12, 1,311,605.24 and 368,845.20

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Solution

The fourth proportional to 874,284.12, 1,311,605.24 and 368,845.20 is: 553,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,284.12 : 1,311,605.24 = 368,845.20 : x
  2. Step 2: Convert to fraction form
    874,284.12/1,311,605.24 = 368,845.20/x
  3. Step 3: Cross multiply
    874,284.12x = 1,311,605.24 × 368,845.20
  4. Step 4: Simplify right side
    874,284.12x = 483,779,295,224.62
  5. Step 5: Solve for x
    x = 483,779,295,224.62/874,284.12
  6. Step 6: Final answer
    x = 553,343.34

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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.