Home / 850,935.87-1,174,333.16-478,516.02

Finding the Fourth Proportional to 850,935.87, 1,174,333.16 and 478,516.02

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Solution

The fourth proportional to 850,935.87, 1,174,333.16 and 478,516.02 is: 660,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,935.87 : 1,174,333.16 = 478,516.02 : x
  2. Step 2: Convert to fraction form
    850,935.87/1,174,333.16 = 478,516.02/x
  3. Step 3: Cross multiply
    850,935.87x = 1,174,333.16 × 478,516.02
  4. Step 4: Simplify right side
    850,935.87x = 561,937,230,420.48
  5. Step 5: Solve for x
    x = 561,937,230,420.48/850,935.87
  6. Step 6: Final answer
    x = 660,375.54

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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.