Home / 915,354.98-1,263,264.46-507,584.68

Finding the Fourth Proportional to 915,354.98, 1,263,264.46 and 507,584.68

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Solution

The fourth proportional to 915,354.98, 1,263,264.46 and 507,584.68 is: 700,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,354.98 : 1,263,264.46 = 507,584.68 : x
  2. Step 2: Convert to fraction form
    915,354.98/1,263,264.46 = 507,584.68/x
  3. Step 3: Cross multiply
    915,354.98x = 1,263,264.46 × 507,584.68
  4. Step 4: Simplify right side
    915,354.98x = 641,213,682,257.35
  5. Step 5: Solve for x
    x = 641,213,682,257.35/915,354.98
  6. Step 6: Final answer
    x = 700,508.22

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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.