Home / 767,650.46-1,059,354.54-423,507.78

Finding the Fourth Proportional to 767,650.46, 1,059,354.54 and 423,507.78

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Solution

The fourth proportional to 767,650.46, 1,059,354.54 and 423,507.78 is: 584,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,650.46 : 1,059,354.54 = 423,507.78 : x
  2. Step 2: Convert to fraction form
    767,650.46/1,059,354.54 = 423,507.78/x
  3. Step 3: Cross multiply
    767,650.46x = 1,059,354.54 × 423,507.78
  4. Step 4: Simplify right side
    767,650.46x = 448,644,889,468.32
  5. Step 5: Solve for x
    x = 448,644,889,468.32/767,650.46
  6. Step 6: Final answer
    x = 584,439.03

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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.