Home / 859,231.04-1,288,908.86-260,238.93

Finding the Fourth Proportional to 859,231.04, 1,288,908.86 and 260,238.93

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Solution

The fourth proportional to 859,231.04, 1,288,908.86 and 260,238.93 is: 390,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,231.04 : 1,288,908.86 = 260,238.93 : x
  2. Step 2: Convert to fraction form
    859,231.04/1,288,908.86 = 260,238.93/x
  3. Step 3: Cross multiply
    859,231.04x = 1,288,908.86 × 260,238.93
  4. Step 4: Simplify right side
    859,231.04x = 335,424,256,459.32
  5. Step 5: Solve for x
    x = 335,424,256,459.32/859,231.04
  6. Step 6: Final answer
    x = 390,377.26

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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.