Home / 511,916.60-706,440.12-282,476

Finding the Fourth Proportional to 511,916.60, 706,440.12 and 282,476

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Solution

The fourth proportional to 511,916.60, 706,440.12 and 282,476 is: 389,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,916.60 : 706,440.12 = 282,476 : x
  2. Step 2: Convert to fraction form
    511,916.60/706,440.12 = 282,476/x
  3. Step 3: Cross multiply
    511,916.60x = 706,440.12 × 282,476
  4. Step 4: Simplify right side
    511,916.60x = 199,552,379,337.12
  5. Step 5: Solve for x
    x = 199,552,379,337.12/511,916.60
  6. Step 6: Final answer
    x = 389,814.24

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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.