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Finding the Fourth Proportional to 562,580.33, 776,359.46 and 304,456.32

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Solution

The fourth proportional to 562,580.33, 776,359.46 and 304,456.32 is: 420,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,580.33 : 776,359.46 = 304,456.32 : x
  2. Step 2: Convert to fraction form
    562,580.33/776,359.46 = 304,456.32/x
  3. Step 3: Cross multiply
    562,580.33x = 776,359.46 × 304,456.32
  4. Step 4: Simplify right side
    562,580.33x = 236,367,542,666.51
  5. Step 5: Solve for x
    x = 236,367,542,666.51/562,580.33
  6. Step 6: Final answer
    x = 420,148.97

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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.