Home / 965,470.36-1,448,216.16-291,557.40

Finding the Fourth Proportional to 965,470.36, 1,448,216.16 and 291,557.40

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Solution

The fourth proportional to 965,470.36, 1,448,216.16 and 291,557.40 is: 437,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,470.36 : 1,448,216.16 = 291,557.40 : x
  2. Step 2: Convert to fraction form
    965,470.36/1,448,216.16 = 291,557.40/x
  3. Step 3: Cross multiply
    965,470.36x = 1,448,216.16 × 291,557.40
  4. Step 4: Simplify right side
    965,470.36x = 422,238,138,247.58
  5. Step 5: Solve for x
    x = 422,238,138,247.58/965,470.36
  6. Step 6: Final answer
    x = 437,339.31

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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.