Home / 879,530.38-1,213,754.25-477,122.38

Finding the Fourth Proportional to 879,530.38, 1,213,754.25 and 477,122.38

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Solution

The fourth proportional to 879,530.38, 1,213,754.25 and 477,122.38 is: 658,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,530.38 : 1,213,754.25 = 477,122.38 : x
  2. Step 2: Convert to fraction form
    879,530.38/1,213,754.25 = 477,122.38/x
  3. Step 3: Cross multiply
    879,530.38x = 1,213,754.25 × 477,122.38
  4. Step 4: Simplify right side
    879,530.38x = 579,109,315,249.94
  5. Step 5: Solve for x
    x = 579,109,315,249.94/879,530.38
  6. Step 6: Final answer
    x = 658,430.15

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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.