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Finding the Fourth Proportional to 524,971.20, 788,248.80 and 419,476.80

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Solution

The fourth proportional to 524,971.20, 788,248.80 and 419,476.80 is: 629,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,971.20 : 788,248.80 = 419,476.80 : x
  2. Step 2: Convert to fraction form
    524,971.20/788,248.80 = 419,476.80/x
  3. Step 3: Cross multiply
    524,971.20x = 788,248.80 × 419,476.80
  4. Step 4: Simplify right side
    524,971.20x = 330,652,084,227.84
  5. Step 5: Solve for x
    x = 330,652,084,227.84/524,971.20
  6. Step 6: Final answer
    x = 629,848.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.