Home / 557,260.28-769,012.44-302,613.28

Finding the Fourth Proportional to 557,260.28, 769,012.44 and 302,613.28

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Solution

The fourth proportional to 557,260.28, 769,012.44 and 302,613.28 is: 417,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,260.28 : 769,012.44 = 302,613.28 : x
  2. Step 2: Convert to fraction form
    557,260.28/769,012.44 = 302,613.28/x
  3. Step 3: Cross multiply
    557,260.28x = 769,012.44 × 302,613.28
  4. Step 4: Simplify right side
    557,260.28x = 232,713,376,829.20
  5. Step 5: Solve for x
    x = 232,713,376,829.20/557,260.28
  6. Step 6: Final answer
    x = 417,602.66

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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.