Home / 872,201.31-1,308,809.57-366,725.67

Finding the Fourth Proportional to 872,201.31, 1,308,809.57 and 366,725.67

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Solution

The fourth proportional to 872,201.31, 1,308,809.57 and 366,725.67 is: 550,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,201.31 : 1,308,809.57 = 366,725.67 : x
  2. Step 2: Convert to fraction form
    872,201.31/1,308,809.57 = 366,725.67/x
  3. Step 3: Cross multiply
    872,201.31x = 1,308,809.57 × 366,725.67
  4. Step 4: Simplify right side
    872,201.31x = 479,974,064,627.03
  5. Step 5: Solve for x
    x = 479,974,064,627.03/872,201.31
  6. Step 6: Final answer
    x = 550,301.93

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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.