Home / 851,095.35-1,276,934.66-290,523.51

Finding the Fourth Proportional to 851,095.35, 1,276,934.66 and 290,523.51

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Solution

The fourth proportional to 851,095.35, 1,276,934.66 and 290,523.51 is: 435,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,095.35 : 1,276,934.66 = 290,523.51 : x
  2. Step 2: Convert to fraction form
    851,095.35/1,276,934.66 = 290,523.51/x
  3. Step 3: Cross multiply
    851,095.35x = 1,276,934.66 × 290,523.51
  4. Step 4: Simplify right side
    851,095.35x = 370,979,538,011.24
  5. Step 5: Solve for x
    x = 370,979,538,011.24/851,095.35
  6. Step 6: Final answer
    x = 435,884.81

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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.