Home / 850,013.10-1,275,019.65-289,047.60

Finding the Fourth Proportional to 850,013.10, 1,275,019.65 and 289,047.60

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Solution

The fourth proportional to 850,013.10, 1,275,019.65 and 289,047.60 is: 433,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,013.10 : 1,275,019.65 = 289,047.60 : x
  2. Step 2: Convert to fraction form
    850,013.10/1,275,019.65 = 289,047.60/x
  3. Step 3: Cross multiply
    850,013.10x = 1,275,019.65 × 289,047.60
  4. Step 4: Simplify right side
    850,013.10x = 368,541,369,785.34
  5. Step 5: Solve for x
    x = 368,541,369,785.34/850,013.10
  6. Step 6: Final answer
    x = 433,571.40

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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.