Home / 977,221.80-1,462,722.30-697,285.80

Finding the Fourth Proportional to 977,221.80, 1,462,722.30 and 697,285.80

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Solution

The fourth proportional to 977,221.80, 1,462,722.30 and 697,285.80 is: 1,043,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,221.80 : 1,462,722.30 = 697,285.80 : x
  2. Step 2: Convert to fraction form
    977,221.80/1,462,722.30 = 697,285.80/x
  3. Step 3: Cross multiply
    977,221.80x = 1,462,722.30 × 697,285.80
  4. Step 4: Simplify right side
    977,221.80x = 1,019,935,489,133.34
  5. Step 5: Solve for x
    x = 1,019,935,489,133.34/977,221.80
  6. Step 6: Final answer
    x = 1,043,709.31

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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.