Home / 830,104.60-1,246,323.30-515,176.60

Finding the Fourth Proportional to 830,104.60, 1,246,323.30 and 515,176.60

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Solution

The fourth proportional to 830,104.60, 1,246,323.30 and 515,176.60 is: 773,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,104.60 : 1,246,323.30 = 515,176.60 : x
  2. Step 2: Convert to fraction form
    830,104.60/1,246,323.30 = 515,176.60/x
  3. Step 3: Cross multiply
    830,104.60x = 1,246,323.30 × 515,176.60
  4. Step 4: Simplify right side
    830,104.60x = 642,076,600,194.78
  5. Step 5: Solve for x
    x = 642,076,600,194.78/830,104.60
  6. Step 6: Final answer
    x = 773,488.79

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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.