Home / 808,165.48-1,115,021.10-468,565.96

Finding the Fourth Proportional to 808,165.48, 1,115,021.10 and 468,565.96

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Solution

The fourth proportional to 808,165.48, 1,115,021.10 and 468,565.96 is: 646,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,165.48 : 1,115,021.10 = 468,565.96 : x
  2. Step 2: Convert to fraction form
    808,165.48/1,115,021.10 = 468,565.96/x
  3. Step 3: Cross multiply
    808,165.48x = 1,115,021.10 × 468,565.96
  4. Step 4: Simplify right side
    808,165.48x = 522,460,932,141.76
  5. Step 5: Solve for x
    x = 522,460,932,141.76/808,165.48
  6. Step 6: Final answer
    x = 646,477.66

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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.