Home / 758,707.52-1,047,027.36-419,183.60

Finding the Fourth Proportional to 758,707.52, 1,047,027.36 and 419,183.60

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Solution

The fourth proportional to 758,707.52, 1,047,027.36 and 419,183.60 is: 578,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,707.52 : 1,047,027.36 = 419,183.60 : x
  2. Step 2: Convert to fraction form
    758,707.52/1,047,027.36 = 419,183.60/x
  3. Step 3: Cross multiply
    758,707.52x = 1,047,027.36 × 419,183.60
  4. Step 4: Simplify right side
    758,707.52x = 438,896,698,063.30
  5. Step 5: Solve for x
    x = 438,896,698,063.30/758,707.52
  6. Step 6: Final answer
    x = 578,479.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.