Home / 915,899.85-1,264,093.09-508,133.06

Finding the Fourth Proportional to 915,899.85, 1,264,093.09 and 508,133.06

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Solution

The fourth proportional to 915,899.85, 1,264,093.09 and 508,133.06 is: 701,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,899.85 : 1,264,093.09 = 508,133.06 : x
  2. Step 2: Convert to fraction form
    915,899.85/1,264,093.09 = 508,133.06/x
  3. Step 3: Cross multiply
    915,899.85x = 1,264,093.09 × 508,133.06
  4. Step 4: Simplify right side
    915,899.85x = 642,327,481,085.43
  5. Step 5: Solve for x
    x = 642,327,481,085.43/915,899.85
  6. Step 6: Final answer
    x = 701,307.55

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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.