Home / 779,919.80-1,168,895.55-379,698.80

Finding the Fourth Proportional to 779,919.80, 1,168,895.55 and 379,698.80

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Solution

The fourth proportional to 779,919.80, 1,168,895.55 and 379,698.80 is: 569,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,919.80 : 1,168,895.55 = 379,698.80 : x
  2. Step 2: Convert to fraction form
    779,919.80/1,168,895.55 = 379,698.80/x
  3. Step 3: Cross multiply
    779,919.80x = 1,168,895.55 × 379,698.80
  4. Step 4: Simplify right side
    779,919.80x = 443,828,237,660.34
  5. Step 5: Solve for x
    x = 443,828,237,660.34/779,919.80
  6. Step 6: Final answer
    x = 569,069.07

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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.