Home / 738,150.78-1,106,365.95-338,833.74

Finding the Fourth Proportional to 738,150.78, 1,106,365.95 and 338,833.74

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Solution

The fourth proportional to 738,150.78, 1,106,365.95 and 338,833.74 is: 507,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,150.78 : 1,106,365.95 = 338,833.74 : x
  2. Step 2: Convert to fraction form
    738,150.78/1,106,365.95 = 338,833.74/x
  3. Step 3: Cross multiply
    738,150.78x = 1,106,365.95 × 338,833.74
  4. Step 4: Simplify right side
    738,150.78x = 374,874,112,647.15
  5. Step 5: Solve for x
    x = 374,874,112,647.15/738,150.78
  6. Step 6: Final answer
    x = 507,855.74

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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.