Home / 886,677.86-1,330,203.83-287,592.50

Finding the Fourth Proportional to 886,677.86, 1,330,203.83 and 287,592.50

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Solution

The fourth proportional to 886,677.86, 1,330,203.83 and 287,592.50 is: 431,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,677.86 : 1,330,203.83 = 287,592.50 : x
  2. Step 2: Convert to fraction form
    886,677.86/1,330,203.83 = 287,592.50/x
  3. Step 3: Cross multiply
    886,677.86x = 1,330,203.83 × 287,592.50
  4. Step 4: Simplify right side
    886,677.86x = 382,556,636,890.29
  5. Step 5: Solve for x
    x = 382,556,636,890.29/886,677.86
  6. Step 6: Final answer
    x = 431,449.41

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1.5x scale

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.