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Finding the Fourth Proportional to 501,649.35, 692,851.05 and 330,333.18

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Solution

The fourth proportional to 501,649.35, 692,851.05 and 330,333.18 is: 456,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,649.35 : 692,851.05 = 330,333.18 : x
  2. Step 2: Convert to fraction form
    501,649.35/692,851.05 = 330,333.18/x
  3. Step 3: Cross multiply
    501,649.35x = 692,851.05 × 330,333.18
  4. Step 4: Simplify right side
    501,649.35x = 228,871,690,612.84
  5. Step 5: Solve for x
    x = 228,871,690,612.84/501,649.35
  6. Step 6: Final answer
    x = 456,238.39

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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.