Home / 671,149.30-1,004,099.55-434,953.30

Finding the Fourth Proportional to 671,149.30, 1,004,099.55 and 434,953.30

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Solution

The fourth proportional to 671,149.30, 1,004,099.55 and 434,953.30 is: 650,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,149.30 : 1,004,099.55 = 434,953.30 : x
  2. Step 2: Convert to fraction form
    671,149.30/1,004,099.55 = 434,953.30/x
  3. Step 3: Cross multiply
    671,149.30x = 1,004,099.55 × 434,953.30
  4. Step 4: Simplify right side
    671,149.30x = 436,736,412,801.02
  5. Step 5: Solve for x
    x = 436,736,412,801.02/671,149.30
  6. Step 6: Final answer
    x = 650,729.15

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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.