Home / 808,185.48-1,115,048.64-468,585.96

Finding the Fourth Proportional to 808,185.48, 1,115,048.64 and 468,585.96

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Solution

The fourth proportional to 808,185.48, 1,115,048.64 and 468,585.96 is: 646,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,185.48 : 1,115,048.64 = 468,585.96 : x
  2. Step 2: Convert to fraction form
    808,185.48/1,115,048.64 = 468,585.96/x
  3. Step 3: Cross multiply
    808,185.48x = 1,115,048.64 × 468,585.96
  4. Step 4: Simplify right side
    808,185.48x = 522,496,137,421.09
  5. Step 5: Solve for x
    x = 522,496,137,421.09/808,185.48
  6. Step 6: Final answer
    x = 646,505.23

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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.