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Finding the Fourth Proportional to 610,754.07, 842,842.77 and 338,827.35

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Solution

The fourth proportional to 610,754.07, 842,842.77 and 338,827.35 is: 467,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,754.07 : 842,842.77 = 338,827.35 : x
  2. Step 2: Convert to fraction form
    610,754.07/842,842.77 = 338,827.35/x
  3. Step 3: Cross multiply
    610,754.07x = 842,842.77 × 338,827.35
  4. Step 4: Simplify right side
    610,754.07x = 285,578,182,225.76
  5. Step 5: Solve for x
    x = 285,578,182,225.76/610,754.07
  6. Step 6: Final answer
    x = 467,582.94

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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.