Home / 879,959.52-1,214,362.32-497,986.24

Finding the Fourth Proportional to 879,959.52, 1,214,362.32 and 497,986.24

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Solution

The fourth proportional to 879,959.52, 1,214,362.32 and 497,986.24 is: 687,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,959.52 : 1,214,362.32 = 497,986.24 : x
  2. Step 2: Convert to fraction form
    879,959.52/1,214,362.32 = 497,986.24/x
  3. Step 3: Cross multiply
    879,959.52x = 1,214,362.32 × 497,986.24
  4. Step 4: Simplify right side
    879,959.52x = 604,735,725,734.48
  5. Step 5: Solve for x
    x = 604,735,725,734.48/879,959.52
  6. Step 6: Final answer
    x = 687,231.30

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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.