Home / 510,431.08-704,394.86-284,130.04

Finding the Fourth Proportional to 510,431.08, 704,394.86 and 284,130.04

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Solution

The fourth proportional to 510,431.08, 704,394.86 and 284,130.04 is: 392,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,431.08 : 704,394.86 = 284,130.04 : x
  2. Step 2: Convert to fraction form
    510,431.08/704,394.86 = 284,130.04/x
  3. Step 3: Cross multiply
    510,431.08x = 704,394.86 × 284,130.04
  4. Step 4: Simplify right side
    510,431.08x = 200,139,739,747.59
  5. Step 5: Solve for x
    x = 200,139,739,747.59/510,431.08
  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.