Home / 778,860.70-1,168,096.65-298,984.30

Finding the Fourth Proportional to 778,860.70, 1,168,096.65 and 298,984.30

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Solution

The fourth proportional to 778,860.70, 1,168,096.65 and 298,984.30 is: 448,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,860.70 : 1,168,096.65 = 298,984.30 : x
  2. Step 2: Convert to fraction form
    778,860.70/1,168,096.65 = 298,984.30/x
  3. Step 3: Cross multiply
    778,860.70x = 1,168,096.65 × 298,984.30
  4. Step 4: Simplify right side
    778,860.70x = 349,242,559,232.60
  5. Step 5: Solve for x
    x = 349,242,559,232.60/778,860.70
  6. Step 6: Final answer
    x = 448,401.82

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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.