Home / 889,205.07-1,227,219.80-507,144.27

Finding the Fourth Proportional to 889,205.07, 1,227,219.80 and 507,144.27

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Solution

The fourth proportional to 889,205.07, 1,227,219.80 and 507,144.27 is: 699,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,205.07 : 1,227,219.80 = 507,144.27 : x
  2. Step 2: Convert to fraction form
    889,205.07/1,227,219.80 = 507,144.27/x
  3. Step 3: Cross multiply
    889,205.07x = 1,227,219.80 × 507,144.27
  4. Step 4: Simplify right side
    889,205.07x = 622,377,484,732.31
  5. Step 5: Solve for x
    x = 622,377,484,732.31/889,205.07
  6. Step 6: Final answer
    x = 699,925.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.