Home / 877,024.67-1,315,583.44-278,032.55

Finding the Fourth Proportional to 877,024.67, 1,315,583.44 and 278,032.55

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Solution

The fourth proportional to 877,024.67, 1,315,583.44 and 278,032.55 is: 417,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,024.67 : 1,315,583.44 = 278,032.55 : x
  2. Step 2: Convert to fraction form
    877,024.67/1,315,583.44 = 278,032.55/x
  3. Step 3: Cross multiply
    877,024.67x = 1,315,583.44 × 278,032.55
  4. Step 4: Simplify right side
    877,024.67x = 365,775,011,287.97
  5. Step 5: Solve for x
    x = 365,775,011,287.97/877,024.67
  6. Step 6: Final answer
    x = 417,063.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.