Home / 826,826.90-1,237,103.55-490,048.34

Finding the Fourth Proportional to 826,826.90, 1,237,103.55 and 490,048.34

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Solution

The fourth proportional to 826,826.90, 1,237,103.55 and 490,048.34 is: 733,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,826.90 : 1,237,103.55 = 490,048.34 : x
  2. Step 2: Convert to fraction form
    826,826.90/1,237,103.55 = 490,048.34/x
  3. Step 3: Cross multiply
    826,826.90x = 1,237,103.55 × 490,048.34
  4. Step 4: Simplify right side
    826,826.90x = 606,240,541,085.61
  5. Step 5: Solve for x
    x = 606,240,541,085.61/826,826.90
  6. Step 6: Final answer
    x = 733,213.37

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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.