Home / 847,110.85-1,270,666.73-531,789.19

Finding the Fourth Proportional to 847,110.85, 1,270,666.73 and 531,789.19

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Solution

The fourth proportional to 847,110.85, 1,270,666.73 and 531,789.19 is: 797,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,110.85 : 1,270,666.73 = 531,789.19 : x
  2. Step 2: Convert to fraction form
    847,110.85/1,270,666.73 = 531,789.19/x
  3. Step 3: Cross multiply
    847,110.85x = 1,270,666.73 × 531,789.19
  4. Step 4: Simplify right side
    847,110.85x = 675,726,831,106.65
  5. Step 5: Solve for x
    x = 675,726,831,106.65/847,110.85
  6. Step 6: Final answer
    x = 797,684.07

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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.