Home / 510,768.12-704,864.77-281,326.23

Finding the Fourth Proportional to 510,768.12, 704,864.77 and 281,326.23

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Solution

The fourth proportional to 510,768.12, 704,864.77 and 281,326.23 is: 388,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,768.12 : 704,864.77 = 281,326.23 : x
  2. Step 2: Convert to fraction form
    510,768.12/704,864.77 = 281,326.23/x
  3. Step 3: Cross multiply
    510,768.12x = 704,864.77 × 281,326.23
  4. Step 4: Simplify right side
    510,768.12x = 198,296,950,820.59
  5. Step 5: Solve for x
    x = 198,296,950,820.59/510,768.12
  6. Step 6: Final answer
    x = 388,232.83

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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.