Home / 754,218.63-1,040,843.36-459,885.60

Finding the Fourth Proportional to 754,218.63, 1,040,843.36 and 459,885.60

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Solution

The fourth proportional to 754,218.63, 1,040,843.36 and 459,885.60 is: 634,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,218.63 : 1,040,843.36 = 459,885.60 : x
  2. Step 2: Convert to fraction form
    754,218.63/1,040,843.36 = 459,885.60/x
  3. Step 3: Cross multiply
    754,218.63x = 1,040,843.36 × 459,885.60
  4. Step 4: Simplify right side
    754,218.63x = 478,668,870,820.19
  5. Step 5: Solve for x
    x = 478,668,870,820.19/754,218.63
  6. Step 6: Final answer
    x = 634,655.33

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Double scale
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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.