Home / 779,895.80-1,168,859.55-379,674.80

Finding the Fourth Proportional to 779,895.80, 1,168,859.55 and 379,674.80

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Solution

The fourth proportional to 779,895.80, 1,168,859.55 and 379,674.80 is: 569,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,895.80 : 1,168,859.55 = 379,674.80 : x
  2. Step 2: Convert to fraction form
    779,895.80/1,168,859.55 = 379,674.80/x
  3. Step 3: Cross multiply
    779,895.80x = 1,168,859.55 × 379,674.80
  4. Step 4: Simplify right side
    779,895.80x = 443,786,515,874.34
  5. Step 5: Solve for x
    x = 443,786,515,874.34/779,895.80
  6. Step 6: Final answer
    x = 569,033.09

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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.