Home / 867,844.59-1,300,969.32-299,090.59

Finding the Fourth Proportional to 867,844.59, 1,300,969.32 and 299,090.59

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Solution

The fourth proportional to 867,844.59, 1,300,969.32 and 299,090.59 is: 448,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,844.59 : 1,300,969.32 = 299,090.59 : x
  2. Step 2: Convert to fraction form
    867,844.59/1,300,969.32 = 299,090.59/x
  3. Step 3: Cross multiply
    867,844.59x = 1,300,969.32 × 299,090.59
  4. Step 4: Simplify right side
    867,844.59x = 389,107,681,490.70
  5. Step 5: Solve for x
    x = 389,107,681,490.70/867,844.59
  6. Step 6: Final answer
    x = 448,361.02

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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.