Home / 830,870.08-1,246,515.27-231,830.98

Finding the Fourth Proportional to 830,870.08, 1,246,515.27 and 231,830.98

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Solution

The fourth proportional to 830,870.08, 1,246,515.27 and 231,830.98 is: 347,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,870.08 : 1,246,515.27 = 231,830.98 : x
  2. Step 2: Convert to fraction form
    830,870.08/1,246,515.27 = 231,830.98/x
  3. Step 3: Cross multiply
    830,870.08x = 1,246,515.27 × 231,830.98
  4. Step 4: Simplify right side
    830,870.08x = 288,980,856,629.07
  5. Step 5: Solve for x
    x = 288,980,856,629.07/830,870.08
  6. Step 6: Final answer
    x = 347,805.11

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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.