Home / 613,985-921,502.38-240,270.44

Finding the Fourth Proportional to 613,985, 921,502.38 and 240,270.44

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Solution

The fourth proportional to 613,985, 921,502.38 and 240,270.44 is: 360,611.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,985 : 921,502.38 = 240,270.44 : x
  2. Step 2: Convert to fraction form
    613,985/921,502.38 = 240,270.44/x
  3. Step 3: Cross multiply
    613,985x = 921,502.38 × 240,270.44
  4. Step 4: Simplify right side
    613,985x = 221,409,782,303.65
  5. Step 5: Solve for x
    x = 221,409,782,303.65/613,985
  6. Step 6: Final answer
    x = 360,611.06

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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.