Home / 779,081.78-1,168,774.14-299,274.50

Finding the Fourth Proportional to 779,081.78, 1,168,774.14 and 299,274.50

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Solution

The fourth proportional to 779,081.78, 1,168,774.14 and 299,274.50 is: 448,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,081.78 : 1,168,774.14 = 299,274.50 : x
  2. Step 2: Convert to fraction form
    779,081.78/1,168,774.14 = 299,274.50/x
  3. Step 3: Cross multiply
    779,081.78x = 1,168,774.14 × 299,274.50
  4. Step 4: Simplify right side
    779,081.78x = 349,784,296,361.43
  5. Step 5: Solve for x
    x = 349,784,296,361.43/779,081.78
  6. Step 6: Final answer
    x = 448,969.94

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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.