Home / 853,339.08-1,177,643.70-490,763.24

Finding the Fourth Proportional to 853,339.08, 1,177,643.70 and 490,763.24

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Solution

The fourth proportional to 853,339.08, 1,177,643.70 and 490,763.24 is: 677,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,339.08 : 1,177,643.70 = 490,763.24 : x
  2. Step 2: Convert to fraction form
    853,339.08/1,177,643.70 = 490,763.24/x
  3. Step 3: Cross multiply
    853,339.08x = 1,177,643.70 × 490,763.24
  4. Step 4: Simplify right side
    853,339.08x = 577,944,231,889.37
  5. Step 5: Solve for x
    x = 577,944,231,889.37/853,339.08
  6. Step 6: Final answer
    x = 677,273.84

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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.