Home / 896,676.75-1,237,412.79-488,779.38

Finding the Fourth Proportional to 896,676.75, 1,237,412.79 and 488,779.38

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Solution

The fourth proportional to 896,676.75, 1,237,412.79 and 488,779.38 is: 674,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,676.75 : 1,237,412.79 = 488,779.38 : x
  2. Step 2: Convert to fraction form
    896,676.75/1,237,412.79 = 488,779.38/x
  3. Step 3: Cross multiply
    896,676.75x = 1,237,412.79 × 488,779.38
  4. Step 4: Simplify right side
    896,676.75x = 604,821,856,300.27
  5. Step 5: Solve for x
    x = 604,821,856,300.27/896,676.75
  6. Step 6: Final answer
    x = 674,514.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.