Home / 830,367.47-1,145,991.77-508,290.41

Finding the Fourth Proportional to 830,367.47, 1,145,991.77 and 508,290.41

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Solution

The fourth proportional to 830,367.47, 1,145,991.77 and 508,290.41 is: 701,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,367.47 : 1,145,991.77 = 508,290.41 : x
  2. Step 2: Convert to fraction form
    830,367.47/1,145,991.77 = 508,290.41/x
  3. Step 3: Cross multiply
    830,367.47x = 1,145,991.77 × 508,290.41
  4. Step 4: Simplify right side
    830,367.47x = 582,496,618,358.52
  5. Step 5: Solve for x
    x = 582,496,618,358.52/830,367.47
  6. Step 6: Final answer
    x = 701,492.58

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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.