Home / 928,779.88-1,393,610.08-448,738.59

Finding the Fourth Proportional to 928,779.88, 1,393,610.08 and 448,738.59

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Solution

The fourth proportional to 928,779.88, 1,393,610.08 and 448,738.59 is: 673,320.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,779.88 : 1,393,610.08 = 448,738.59 : x
  2. Step 2: Convert to fraction form
    928,779.88/1,393,610.08 = 448,738.59/x
  3. Step 3: Cross multiply
    928,779.88x = 1,393,610.08 × 448,738.59
  4. Step 4: Simplify right side
    928,779.88x = 625,366,616,462.78
  5. Step 5: Solve for x
    x = 625,366,616,462.78/928,779.88
  6. Step 6: Final answer
    x = 673,320.59

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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.