Home / 861,002.63-1,291,516.37-300,037.13

Finding the Fourth Proportional to 861,002.63, 1,291,516.37 and 300,037.13

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Solution

The fourth proportional to 861,002.63, 1,291,516.37 and 300,037.13 is: 450,060.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,002.63 : 1,291,516.37 = 300,037.13 : x
  2. Step 2: Convert to fraction form
    861,002.63/1,291,516.37 = 300,037.13/x
  3. Step 3: Cross multiply
    861,002.63x = 1,291,516.37 × 300,037.13
  4. Step 4: Simplify right side
    861,002.63x = 387,502,863,502.63
  5. Step 5: Solve for x
    x = 387,502,863,502.63/861,002.63
  6. Step 6: Final answer
    x = 450,060.02

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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.