Home / 851,093.16-1,276,931.38-290,521.32

Finding the Fourth Proportional to 851,093.16, 1,276,931.38 and 290,521.32

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Solution

The fourth proportional to 851,093.16, 1,276,931.38 and 290,521.32 is: 435,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,093.16 : 1,276,931.38 = 290,521.32 : x
  2. Step 2: Convert to fraction form
    851,093.16/1,276,931.38 = 290,521.32/x
  3. Step 3: Cross multiply
    851,093.16x = 1,276,931.38 × 290,521.32
  4. Step 4: Simplify right side
    851,093.16x = 370,975,790,067.02
  5. Step 5: Solve for x
    x = 370,975,790,067.02/851,093.16
  6. Step 6: Final answer
    x = 435,881.53

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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.