Home / 830,913.80-1,246,370.70-269,948.30

Finding the Fourth Proportional to 830,913.80, 1,246,370.70 and 269,948.30

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Solution

The fourth proportional to 830,913.80, 1,246,370.70 and 269,948.30 is: 404,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,913.80 : 1,246,370.70 = 269,948.30 : x
  2. Step 2: Convert to fraction form
    830,913.80/1,246,370.70 = 269,948.30/x
  3. Step 3: Cross multiply
    830,913.80x = 1,246,370.70 × 269,948.30
  4. Step 4: Simplify right side
    830,913.80x = 336,455,651,634.81
  5. Step 5: Solve for x
    x = 336,455,651,634.81/830,913.80
  6. Step 6: Final answer
    x = 404,922.45

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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.