Home / 810,465.07-1,214,610.94-630,767.49

Finding the Fourth Proportional to 810,465.07, 1,214,610.94 and 630,767.49

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Solution

The fourth proportional to 810,465.07, 1,214,610.94 and 630,767.49 is: 945,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,465.07 : 1,214,610.94 = 630,767.49 : x
  2. Step 2: Convert to fraction form
    810,465.07/1,214,610.94 = 630,767.49/x
  3. Step 3: Cross multiply
    810,465.07x = 1,214,610.94 × 630,767.49
  4. Step 4: Simplify right side
    810,465.07x = 766,137,093,950.34
  5. Step 5: Solve for x
    x = 766,137,093,950.34/810,465.07
  6. Step 6: Final answer
    x = 945,305.51

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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.