Home / 915,417.67-1,263,351.24-507,647.41

Finding the Fourth Proportional to 915,417.67, 1,263,351.24 and 507,647.41

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Solution

The fourth proportional to 915,417.67, 1,263,351.24 and 507,647.41 is: 700,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,417.67 : 1,263,351.24 = 507,647.41 : x
  2. Step 2: Convert to fraction form
    915,417.67/1,263,351.24 = 507,647.41/x
  3. Step 3: Cross multiply
    915,417.67x = 1,263,351.24 × 507,647.41
  4. Step 4: Simplify right side
    915,417.67x = 641,336,984,906.29
  5. Step 5: Solve for x
    x = 641,336,984,906.29/915,417.67
  6. Step 6: Final answer
    x = 700,594.94

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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.