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Finding the Fourth Proportional to 665,335, 918,184.98 and 363,548.44

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Solution

The fourth proportional to 665,335, 918,184.98 and 363,548.44 is: 501,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,335 : 918,184.98 = 363,548.44 : x
  2. Step 2: Convert to fraction form
    665,335/918,184.98 = 363,548.44/x
  3. Step 3: Cross multiply
    665,335x = 918,184.98 × 363,548.44
  4. Step 4: Simplify right side
    665,335x = 333,804,717,110.43
  5. Step 5: Solve for x
    x = 333,804,717,110.43/665,335
  6. Step 6: Final answer
    x = 501,709.24

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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.