Home / 754,218.25-1,040,842.85-459,885.23

Finding the Fourth Proportional to 754,218.25, 1,040,842.85 and 459,885.23

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Solution

The fourth proportional to 754,218.25, 1,040,842.85 and 459,885.23 is: 634,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,218.25 : 1,040,842.85 = 459,885.23 : x
  2. Step 2: Convert to fraction form
    754,218.25/1,040,842.85 = 459,885.23/x
  3. Step 3: Cross multiply
    754,218.25x = 1,040,842.85 × 459,885.23
  4. Step 4: Simplify right side
    754,218.25x = 478,668,249,865.63
  5. Step 5: Solve for x
    x = 478,668,249,865.63/754,218.25
  6. Step 6: Final answer
    x = 634,654.82

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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.