Home / 885,665.70-1,328,498.55-353,268.90

Finding the Fourth Proportional to 885,665.70, 1,328,498.55 and 353,268.90

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Solution

The fourth proportional to 885,665.70, 1,328,498.55 and 353,268.90 is: 529,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,665.70 : 1,328,498.55 = 353,268.90 : x
  2. Step 2: Convert to fraction form
    885,665.70/1,328,498.55 = 353,268.90/x
  3. Step 3: Cross multiply
    885,665.70x = 1,328,498.55 × 353,268.90
  4. Step 4: Simplify right side
    885,665.70x = 469,317,221,410.10
  5. Step 5: Solve for x
    x = 469,317,221,410.10/885,665.70
  6. Step 6: Final answer
    x = 529,903.35

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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.