Home / 939,992.32-1,409,938.76-580,231.36

Finding the Fourth Proportional to 939,992.32, 1,409,938.76 and 580,231.36

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Solution

The fourth proportional to 939,992.32, 1,409,938.76 and 580,231.36 is: 870,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,992.32 : 1,409,938.76 = 580,231.36 : x
  2. Step 2: Convert to fraction form
    939,992.32/1,409,938.76 = 580,231.36/x
  3. Step 3: Cross multiply
    939,992.32x = 1,409,938.76 × 580,231.36
  4. Step 4: Simplify right side
    939,992.32x = 818,090,684,231.51
  5. Step 5: Solve for x
    x = 818,090,684,231.51/939,992.32
  6. Step 6: Final answer
    x = 870,316.35

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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.