Home / 830,580.30-1,245,974.16-325,075.92

Finding the Fourth Proportional to 830,580.30, 1,245,974.16 and 325,075.92

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Solution

The fourth proportional to 830,580.30, 1,245,974.16 and 325,075.92 is: 487,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,580.30 : 1,245,974.16 = 325,075.92 : x
  2. Step 2: Convert to fraction form
    830,580.30/1,245,974.16 = 325,075.92/x
  3. Step 3: Cross multiply
    830,580.30x = 1,245,974.16 × 325,075.92
  4. Step 4: Simplify right side
    830,580.30x = 405,036,196,358.23
  5. Step 5: Solve for x
    x = 405,036,196,358.23/830,580.30
  6. Step 6: Final answer
    x = 487,654.47

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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.