Home / 830,172.85-1,145,724.65-508,097.41

Finding the Fourth Proportional to 830,172.85, 1,145,724.65 and 508,097.41

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Solution

The fourth proportional to 830,172.85, 1,145,724.65 and 508,097.41 is: 701,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,172.85 : 1,145,724.65 = 508,097.41 : x
  2. Step 2: Convert to fraction form
    830,172.85/1,145,724.65 = 508,097.41/x
  3. Step 3: Cross multiply
    830,172.85x = 1,145,724.65 × 508,097.41
  4. Step 4: Simplify right side
    830,172.85x = 582,139,723,738.72
  5. Step 5: Solve for x
    x = 582,139,723,738.72/830,172.85
  6. Step 6: Final answer
    x = 701,227.13

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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.