Home / 762,673.66-1,052,486.74-418,515.34

Finding the Fourth Proportional to 762,673.66, 1,052,486.74 and 418,515.34

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Solution

The fourth proportional to 762,673.66, 1,052,486.74 and 418,515.34 is: 577,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,673.66 : 1,052,486.74 = 418,515.34 : x
  2. Step 2: Convert to fraction form
    762,673.66/1,052,486.74 = 418,515.34/x
  3. Step 3: Cross multiply
    762,673.66x = 1,052,486.74 × 418,515.34
  4. Step 4: Simplify right side
    762,673.66x = 440,481,845,836.59
  5. Step 5: Solve for x
    x = 440,481,845,836.59/762,673.66
  6. Step 6: Final answer
    x = 577,549.57

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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.