Home / 888,165.79-1,225,676.15-490,357.03

Finding the Fourth Proportional to 888,165.79, 1,225,676.15 and 490,357.03

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Solution

The fourth proportional to 888,165.79, 1,225,676.15 and 490,357.03 is: 676,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,165.79 : 1,225,676.15 = 490,357.03 : x
  2. Step 2: Convert to fraction form
    888,165.79/1,225,676.15 = 490,357.03/x
  3. Step 3: Cross multiply
    888,165.79x = 1,225,676.15 × 490,357.03
  4. Step 4: Simplify right side
    888,165.79x = 601,018,917,280.72
  5. Step 5: Solve for x
    x = 601,018,917,280.72/888,165.79
  6. Step 6: Final answer
    x = 676,696.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.