Home / 830,172.44-1,245,259.58-231,134.92

Finding the Fourth Proportional to 830,172.44, 1,245,259.58 and 231,134.92

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Solution

The fourth proportional to 830,172.44, 1,245,259.58 and 231,134.92 is: 346,702.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,172.44 : 1,245,259.58 = 231,134.92 : x
  2. Step 2: Convert to fraction form
    830,172.44/1,245,259.58 = 231,134.92/x
  3. Step 3: Cross multiply
    830,172.44x = 1,245,259.58 × 231,134.92
  4. Step 4: Simplify right side
    830,172.44x = 287,822,969,133.71
  5. Step 5: Solve for x
    x = 287,822,969,133.71/830,172.44
  6. Step 6: Final answer
    x = 346,702.63

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1.5x scale

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.