Home / 664,827.40-995,837.10-440,295.40

Finding the Fourth Proportional to 664,827.40, 995,837.10 and 440,295.40

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Solution

The fourth proportional to 664,827.40, 995,837.10 and 440,295.40 is: 659,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,827.40 : 995,837.10 = 440,295.40 : x
  2. Step 2: Convert to fraction form
    664,827.40/995,837.10 = 440,295.40/x
  3. Step 3: Cross multiply
    664,827.40x = 995,837.10 × 440,295.40
  4. Step 4: Simplify right side
    664,827.40x = 438,462,494,279.34
  5. Step 5: Solve for x
    x = 438,462,494,279.34/664,827.40
  6. Step 6: Final answer
    x = 659,513.27

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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.