Home / 873,978.24-1,311,476.16-368,507.52

Finding the Fourth Proportional to 873,978.24, 1,311,476.16 and 368,507.52

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Solution

The fourth proportional to 873,978.24, 1,311,476.16 and 368,507.52 is: 552,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,978.24 : 1,311,476.16 = 368,507.52 : x
  2. Step 2: Convert to fraction form
    873,978.24/1,311,476.16 = 368,507.52/x
  3. Step 3: Cross multiply
    873,978.24x = 1,311,476.16 × 368,507.52
  4. Step 4: Simplify right side
    873,978.24x = 483,288,827,260.72
  5. Step 5: Solve for x
    x = 483,288,827,260.72/873,978.24
  6. Step 6: Final answer
    x = 552,975.81

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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.