Home / 591,875.75-816,252.32-387,852.57

Finding the Fourth Proportional to 591,875.75, 816,252.32 and 387,852.57

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Solution

The fourth proportional to 591,875.75, 816,252.32 and 387,852.57 is: 534,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,875.75 : 816,252.32 = 387,852.57 : x
  2. Step 2: Convert to fraction form
    591,875.75/816,252.32 = 387,852.57/x
  3. Step 3: Cross multiply
    591,875.75x = 816,252.32 × 387,852.57
  4. Step 4: Simplify right side
    591,875.75x = 316,585,561,050.09
  5. Step 5: Solve for x
    x = 316,585,561,050.09/591,875.75
  6. Step 6: Final answer
    x = 534,885.17

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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.