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Finding the Fourth Proportional to 510,878.88, 704,895.48 and 292,986.72

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Solution

The fourth proportional to 510,878.88, 704,895.48 and 292,986.72 is: 404,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,878.88 : 704,895.48 = 292,986.72 : x
  2. Step 2: Convert to fraction form
    510,878.88/704,895.48 = 292,986.72/x
  3. Step 3: Cross multiply
    510,878.88x = 704,895.48 × 292,986.72
  4. Step 4: Simplify right side
    510,878.88x = 206,525,014,628.03
  5. Step 5: Solve for x
    x = 206,525,014,628.03/510,878.88
  6. Step 6: Final answer
    x = 404,254.36

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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.