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Finding the Fourth Proportional to 467,852.90, 701,779.35 and 418,864.10

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Solution

The fourth proportional to 467,852.90, 701,779.35 and 418,864.10 is: 628,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,852.90 : 701,779.35 = 418,864.10 : x
  2. Step 2: Convert to fraction form
    467,852.90/701,779.35 = 418,864.10/x
  3. Step 3: Cross multiply
    467,852.90x = 701,779.35 × 418,864.10
  4. Step 4: Simplify right side
    467,852.90x = 293,950,175,836.34
  5. Step 5: Solve for x
    x = 293,950,175,836.34/467,852.90
  6. Step 6: Final answer
    x = 628,296.15

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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.