Home / 510,431.07-704,394.87-284,130.03

Finding the Fourth Proportional to 510,431.07, 704,394.87 and 284,130.03

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Solution

The fourth proportional to 510,431.07, 704,394.87 and 284,130.03 is: 392,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,431.07 : 704,394.87 = 284,130.03 : x
  2. Step 2: Convert to fraction form
    510,431.07/704,394.87 = 284,130.03/x
  3. Step 3: Cross multiply
    510,431.07x = 704,394.87 × 284,130.03
  4. Step 4: Simplify right side
    510,431.07x = 200,139,735,544.95
  5. Step 5: Solve for x
    x = 200,139,735,544.95/510,431.07
  6. Step 6: Final answer
    x = 392,099.44

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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.