Home / 874,461.03-1,312,072.74-306,249.75

Finding the Fourth Proportional to 874,461.03, 1,312,072.74 and 306,249.75

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Solution

The fourth proportional to 874,461.03, 1,312,072.74 and 306,249.75 is: 459,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,461.03 : 1,312,072.74 = 306,249.75 : x
  2. Step 2: Convert to fraction form
    874,461.03/1,312,072.74 = 306,249.75/x
  3. Step 3: Cross multiply
    874,461.03x = 1,312,072.74 × 306,249.75
  4. Step 4: Simplify right side
    874,461.03x = 401,821,948,606.82
  5. Step 5: Solve for x
    x = 401,821,948,606.82/874,461.03
  6. Step 6: Final answer
    x = 459,508.13

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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.