Home / 697,749.20-1,044,031.80-511,125.20

Finding the Fourth Proportional to 697,749.20, 1,044,031.80 and 511,125.20

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Solution

The fourth proportional to 697,749.20, 1,044,031.80 and 511,125.20 is: 764,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,749.20 : 1,044,031.80 = 511,125.20 : x
  2. Step 2: Convert to fraction form
    697,749.20/1,044,031.80 = 511,125.20/x
  3. Step 3: Cross multiply
    697,749.20x = 1,044,031.80 × 511,125.20
  4. Step 4: Simplify right side
    697,749.20x = 533,630,962,581.36
  5. Step 5: Solve for x
    x = 533,630,962,581.36/697,749.20
  6. Step 6: Final answer
    x = 764,789.07

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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.