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Finding the Fourth Proportional to 577,727.13, 797,248.53 and 319,597.41

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Solution

The fourth proportional to 577,727.13, 797,248.53 and 319,597.41 is: 441,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,727.13 : 797,248.53 = 319,597.41 : x
  2. Step 2: Convert to fraction form
    577,727.13/797,248.53 = 319,597.41/x
  3. Step 3: Cross multiply
    577,727.13x = 797,248.53 × 319,597.41
  4. Step 4: Simplify right side
    577,727.13x = 254,798,565,314.31
  5. Step 5: Solve for x
    x = 254,798,565,314.31/577,727.13
  6. Step 6: Final answer
    x = 441,036.18

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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.