Home / 915,415.67-1,263,348.48-507,645.41

Finding the Fourth Proportional to 915,415.67, 1,263,348.48 and 507,645.41

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Solution

The fourth proportional to 915,415.67, 1,263,348.48 and 507,645.41 is: 700,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,415.67 : 1,263,348.48 = 507,645.41 : x
  2. Step 2: Convert to fraction form
    915,415.67/1,263,348.48 = 507,645.41/x
  3. Step 3: Cross multiply
    915,415.67x = 1,263,348.48 × 507,645.41
  4. Step 4: Simplify right side
    915,415.67x = 641,333,054,564.25
  5. Step 5: Solve for x
    x = 641,333,054,564.25/915,415.67
  6. Step 6: Final answer
    x = 700,592.18

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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.