Home / 736,356.84-1,102,763.78-419,854.20

Finding the Fourth Proportional to 736,356.84, 1,102,763.78 and 419,854.20

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Solution

The fourth proportional to 736,356.84, 1,102,763.78 and 419,854.20 is: 628,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,356.84 : 1,102,763.78 = 419,854.20 : x
  2. Step 2: Convert to fraction form
    736,356.84/1,102,763.78 = 419,854.20/x
  3. Step 3: Cross multiply
    736,356.84x = 1,102,763.78 × 419,854.20
  4. Step 4: Simplify right side
    736,356.84x = 463,000,004,640.88
  5. Step 5: Solve for x
    x = 463,000,004,640.88/736,356.84
  6. Step 6: Final answer
    x = 628,771.24

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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.