Home / 790,345.42-1,185,570.88-277,949.07

Finding the Fourth Proportional to 790,345.42, 1,185,570.88 and 277,949.07

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Solution

The fourth proportional to 790,345.42, 1,185,570.88 and 277,949.07 is: 416,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,345.42 : 1,185,570.88 = 277,949.07 : x
  2. Step 2: Convert to fraction form
    790,345.42/1,185,570.88 = 277,949.07/x
  3. Step 3: Cross multiply
    790,345.42x = 1,185,570.88 × 277,949.07
  4. Step 4: Simplify right side
    790,345.42x = 329,528,322,820.21
  5. Step 5: Solve for x
    x = 329,528,322,820.21/790,345.42
  6. Step 6: Final answer
    x = 416,942.16

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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.