Home / 916,301.82-1,373,900.52-410,771.32

Finding the Fourth Proportional to 916,301.82, 1,373,900.52 and 410,771.32

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Solution

The fourth proportional to 916,301.82, 1,373,900.52 and 410,771.32 is: 615,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,301.82 : 1,373,900.52 = 410,771.32 : x
  2. Step 2: Convert to fraction form
    916,301.82/1,373,900.52 = 410,771.32/x
  3. Step 3: Cross multiply
    916,301.82x = 1,373,900.52 × 410,771.32
  4. Step 4: Simplify right side
    916,301.82x = 564,358,930,149.09
  5. Step 5: Solve for x
    x = 564,358,930,149.09/916,301.82
  6. Step 6: Final answer
    x = 615,909.43

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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.