Home / 867,445.46-1,300,918.50-298,803.60

Finding the Fourth Proportional to 867,445.46, 1,300,918.50 and 298,803.60

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Solution

The fourth proportional to 867,445.46, 1,300,918.50 and 298,803.60 is: 448,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,445.46 : 1,300,918.50 = 298,803.60 : x
  2. Step 2: Convert to fraction form
    867,445.46/1,300,918.50 = 298,803.60/x
  3. Step 3: Cross multiply
    867,445.46x = 1,300,918.50 × 298,803.60
  4. Step 4: Simplify right side
    867,445.46x = 388,719,131,106.60
  5. Step 5: Solve for x
    x = 388,719,131,106.60/867,445.46
  6. Step 6: Final answer
    x = 448,119.39

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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.