Home / 859,566.26-1,288,547.76-290,551.46

Finding the Fourth Proportional to 859,566.26, 1,288,547.76 and 290,551.46

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Solution

The fourth proportional to 859,566.26, 1,288,547.76 and 290,551.46 is: 435,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,566.26 : 1,288,547.76 = 290,551.46 : x
  2. Step 2: Convert to fraction form
    859,566.26/1,288,547.76 = 290,551.46/x
  3. Step 3: Cross multiply
    859,566.26x = 1,288,547.76 × 290,551.46
  4. Step 4: Simplify right side
    859,566.26x = 374,389,427,594.56
  5. Step 5: Solve for x
    x = 374,389,427,594.56/859,566.26
  6. Step 6: Final answer
    x = 435,556.21

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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.