Home / 830,224.53-1,245,730.46-493,929.54

Finding the Fourth Proportional to 830,224.53, 1,245,730.46 and 493,929.54

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Solution

The fourth proportional to 830,224.53, 1,245,730.46 and 493,929.54 is: 741,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,224.53 : 1,245,730.46 = 493,929.54 : x
  2. Step 2: Convert to fraction form
    830,224.53/1,245,730.46 = 493,929.54/x
  3. Step 3: Cross multiply
    830,224.53x = 1,245,730.46 × 493,929.54
  4. Step 4: Simplify right side
    830,224.53x = 615,303,070,602.14
  5. Step 5: Solve for x
    x = 615,303,070,602.14/830,224.53
  6. Step 6: Final answer
    x = 741,128.51

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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.