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Finding the Fourth Proportional to 577,675.98, 797,175.90 and 319,563.18

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Solution

The fourth proportional to 577,675.98, 797,175.90 and 319,563.18 is: 440,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,675.98 : 797,175.90 = 319,563.18 : x
  2. Step 2: Convert to fraction form
    577,675.98/797,175.90 = 319,563.18/x
  3. Step 3: Cross multiply
    577,675.98x = 797,175.90 × 319,563.18
  4. Step 4: Simplify right side
    577,675.98x = 254,748,065,623.36
  5. Step 5: Solve for x
    x = 254,748,065,623.36/577,675.98
  6. Step 6: Final answer
    x = 440,987.81

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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.