Home / 872,031.96-1,308,011.22-303,542.64

Finding the Fourth Proportional to 872,031.96, 1,308,011.22 and 303,542.64

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Solution

The fourth proportional to 872,031.96, 1,308,011.22 and 303,542.64 is: 455,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,031.96 : 1,308,011.22 = 303,542.64 : x
  2. Step 2: Convert to fraction form
    872,031.96/1,308,011.22 = 303,542.64/x
  3. Step 3: Cross multiply
    872,031.96x = 1,308,011.22 × 303,542.64
  4. Step 4: Simplify right side
    872,031.96x = 397,037,178,868.42
  5. Step 5: Solve for x
    x = 397,037,178,868.42/872,031.96
  6. Step 6: Final answer
    x = 455,301.18

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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.