Home / 830,904.30-1,246,356.45-269,938.80

Finding the Fourth Proportional to 830,904.30, 1,246,356.45 and 269,938.80

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Solution

The fourth proportional to 830,904.30, 1,246,356.45 and 269,938.80 is: 404,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,904.30 : 1,246,356.45 = 269,938.80 : x
  2. Step 2: Convert to fraction form
    830,904.30/1,246,356.45 = 269,938.80/x
  3. Step 3: Cross multiply
    830,904.30x = 1,246,356.45 × 269,938.80
  4. Step 4: Simplify right side
    830,904.30x = 336,439,964,485.26
  5. Step 5: Solve for x
    x = 336,439,964,485.26/830,904.30
  6. Step 6: Final answer
    x = 404,908.20

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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.