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Finding the Fourth Proportional to 577,501.62, 796,957.26 and 319,365.15

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Solution

The fourth proportional to 577,501.62, 796,957.26 and 319,365.15 is: 440,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,501.62 : 796,957.26 = 319,365.15 : x
  2. Step 2: Convert to fraction form
    577,501.62/796,957.26 = 319,365.15/x
  3. Step 3: Cross multiply
    577,501.62x = 796,957.26 × 319,365.15
  4. Step 4: Simplify right side
    577,501.62x = 254,520,374,883.49
  5. Step 5: Solve for x
    x = 254,520,374,883.49/577,501.62
  6. Step 6: Final answer
    x = 440,726.69

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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.