Home / 678,005.80-1,017,008.70-601,898.20

Finding the Fourth Proportional to 678,005.80, 1,017,008.70 and 601,898.20

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Solution

The fourth proportional to 678,005.80, 1,017,008.70 and 601,898.20 is: 902,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,005.80 : 1,017,008.70 = 601,898.20 : x
  2. Step 2: Convert to fraction form
    678,005.80/1,017,008.70 = 601,898.20/x
  3. Step 3: Cross multiply
    678,005.80x = 1,017,008.70 × 601,898.20
  4. Step 4: Simplify right side
    678,005.80x = 612,135,705,914.34
  5. Step 5: Solve for x
    x = 612,135,705,914.34/678,005.80
  6. Step 6: Final answer
    x = 902,847.30

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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.