Home / 704,204.82-971,790.21-402,392.34

Finding the Fourth Proportional to 704,204.82, 971,790.21 and 402,392.34

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Solution

The fourth proportional to 704,204.82, 971,790.21 and 402,392.34 is: 555,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,204.82 : 971,790.21 = 402,392.34 : x
  2. Step 2: Convert to fraction form
    704,204.82/971,790.21 = 402,392.34/x
  3. Step 3: Cross multiply
    704,204.82x = 971,790.21 × 402,392.34
  4. Step 4: Simplify right side
    704,204.82x = 391,040,936,590.99
  5. Step 5: Solve for x
    x = 391,040,936,590.99/704,204.82
  6. Step 6: Final answer
    x = 555,294.32

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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.