Home / 855,018.67-1,281,803.64-374,882.60

Finding the Fourth Proportional to 855,018.67, 1,281,803.64 and 374,882.60

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Solution

The fourth proportional to 855,018.67, 1,281,803.64 and 374,882.60 is: 562,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,018.67 : 1,281,803.64 = 374,882.60 : x
  2. Step 2: Convert to fraction form
    855,018.67/1,281,803.64 = 374,882.60/x
  3. Step 3: Cross multiply
    855,018.67x = 1,281,803.64 × 374,882.60
  4. Step 4: Simplify right side
    855,018.67x = 480,525,879,004.29
  5. Step 5: Solve for x
    x = 480,525,879,004.29/855,018.67
  6. Step 6: Final answer
    x = 562,006.30

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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.