Home / 767,774.40-1,059,525.75-423,631.80

Finding the Fourth Proportional to 767,774.40, 1,059,525.75 and 423,631.80

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Solution

The fourth proportional to 767,774.40, 1,059,525.75 and 423,631.80 is: 584,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,774.40 : 1,059,525.75 = 423,631.80 : x
  2. Step 2: Convert to fraction form
    767,774.40/1,059,525.75 = 423,631.80/x
  3. Step 3: Cross multiply
    767,774.40x = 1,059,525.75 × 423,631.80
  4. Step 4: Simplify right side
    767,774.40x = 448,848,800,618.85
  5. Step 5: Solve for x
    x = 448,848,800,618.85/767,774.40
  6. Step 6: Final answer
    x = 584,610.27

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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.