Home / 790,316.40-1,185,525.54-277,918.68

Finding the Fourth Proportional to 790,316.40, 1,185,525.54 and 277,918.68

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Solution

The fourth proportional to 790,316.40, 1,185,525.54 and 277,918.68 is: 416,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,316.40 : 1,185,525.54 = 277,918.68 : x
  2. Step 2: Convert to fraction form
    790,316.40/1,185,525.54 = 277,918.68/x
  3. Step 3: Cross multiply
    790,316.40x = 1,185,525.54 × 277,918.68
  4. Step 4: Simplify right side
    790,316.40x = 329,479,693,183.09
  5. Step 5: Solve for x
    x = 329,479,693,183.09/790,316.40
  6. Step 6: Final answer
    x = 416,895.93

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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.