Home / 830,619.76-1,246,218.60-262,088.56

Finding the Fourth Proportional to 830,619.76, 1,246,218.60 and 262,088.56

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Solution

The fourth proportional to 830,619.76, 1,246,218.60 and 262,088.56 is: 393,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,619.76 : 1,246,218.60 = 262,088.56 : x
  2. Step 2: Convert to fraction form
    830,619.76/1,246,218.60 = 262,088.56/x
  3. Step 3: Cross multiply
    830,619.76x = 1,246,218.60 × 262,088.56
  4. Step 4: Simplify right side
    830,619.76x = 326,619,638,319.22
  5. Step 5: Solve for x
    x = 326,619,638,319.22/830,619.76
  6. Step 6: Final answer
    x = 393,224.02

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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.