Home / 953,764.47-1,430,868.29-279,818.55

Finding the Fourth Proportional to 953,764.47, 1,430,868.29 and 279,818.55

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Solution

The fourth proportional to 953,764.47, 1,430,868.29 and 279,818.55 is: 419,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,764.47 : 1,430,868.29 = 279,818.55 : x
  2. Step 2: Convert to fraction form
    953,764.47/1,430,868.29 = 279,818.55/x
  3. Step 3: Cross multiply
    953,764.47x = 1,430,868.29 × 279,818.55
  4. Step 4: Simplify right side
    953,764.47x = 400,383,488,749.69
  5. Step 5: Solve for x
    x = 400,383,488,749.69/953,764.47
  6. Step 6: Final answer
    x = 419,792.83

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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.