Home / 879,923.75-1,214,294.82-477,515.75

Finding the Fourth Proportional to 879,923.75, 1,214,294.82 and 477,515.75

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Solution

The fourth proportional to 879,923.75, 1,214,294.82 and 477,515.75 is: 658,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,923.75 : 1,214,294.82 = 477,515.75 : x
  2. Step 2: Convert to fraction form
    879,923.75/1,214,294.82 = 477,515.75/x
  3. Step 3: Cross multiply
    879,923.75x = 1,214,294.82 × 477,515.75
  4. Step 4: Simplify right side
    879,923.75x = 579,844,901,693.42
  5. Step 5: Solve for x
    x = 579,844,901,693.42/879,923.75
  6. Step 6: Final answer
    x = 658,971.76

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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.