Home / 557,616.82-769,518.21-302,972.26

Finding the Fourth Proportional to 557,616.82, 769,518.21 and 302,972.26

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Solution

The fourth proportional to 557,616.82, 769,518.21 and 302,972.26 is: 418,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,616.82 : 769,518.21 = 302,972.26 : x
  2. Step 2: Convert to fraction form
    557,616.82/769,518.21 = 302,972.26/x
  3. Step 3: Cross multiply
    557,616.82x = 769,518.21 × 302,972.26
  4. Step 4: Simplify right side
    557,616.82x = 233,142,671,194.86
  5. Step 5: Solve for x
    x = 233,142,671,194.86/557,616.82
  6. Step 6: Final answer
    x = 418,105.52

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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.