Home / 711,973.00-1,067,215.91-427,663.00

Finding the Fourth Proportional to 711,973.00, 1,067,215.91 and 427,663.00

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Solution

The fourth proportional to 711,973.00, 1,067,215.91 and 427,663.00 is: 641,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,973.00 : 1,067,215.91 = 427,663.00 : x
  2. Step 2: Convert to fraction form
    711,973.00/1,067,215.91 = 427,663.00/x
  3. Step 3: Cross multiply
    711,973.00x = 1,067,215.91 × 427,663.00
  4. Step 4: Simplify right side
    711,973.00x = 456,408,756,119.45
  5. Step 5: Solve for x
    x = 456,408,756,119.45/711,973.00
  6. Step 6: Final answer
    x = 641,047.85

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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.