Home / 754,222.63-1,040,848.88-459,889.60

Finding the Fourth Proportional to 754,222.63, 1,040,848.88 and 459,889.60

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Solution

The fourth proportional to 754,222.63, 1,040,848.88 and 459,889.60 is: 634,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,222.63 : 1,040,848.88 = 459,889.60 : x
  2. Step 2: Convert to fraction form
    754,222.63/1,040,848.88 = 459,889.60/x
  3. Step 3: Cross multiply
    754,222.63x = 1,040,848.88 × 459,889.60
  4. Step 4: Simplify right side
    754,222.63x = 478,675,575,083.65
  5. Step 5: Solve for x
    x = 478,675,575,083.65/754,222.63
  6. Step 6: Final answer
    x = 634,660.85

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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.