Home / 915,676.83-1,373,712.08-308,525.49

Finding the Fourth Proportional to 915,676.83, 1,373,712.08 and 308,525.49

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Solution

The fourth proportional to 915,676.83, 1,373,712.08 and 308,525.49 is: 462,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,676.83 : 1,373,712.08 = 308,525.49 : x
  2. Step 2: Convert to fraction form
    915,676.83/1,373,712.08 = 308,525.49/x
  3. Step 3: Cross multiply
    915,676.83x = 1,373,712.08 × 308,525.49
  4. Step 4: Simplify right side
    915,676.83x = 423,825,191,058.29
  5. Step 5: Solve for x
    x = 423,825,191,058.29/915,676.83
  6. Step 6: Final answer
    x = 462,854.55

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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.