Home / 479,601.72-661,887.02-264,783.16

Finding the Fourth Proportional to 479,601.72, 661,887.02 and 264,783.16

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Solution

The fourth proportional to 479,601.72, 661,887.02 and 264,783.16 is: 365,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,601.72 : 661,887.02 = 264,783.16 : x
  2. Step 2: Convert to fraction form
    479,601.72/661,887.02 = 264,783.16/x
  3. Step 3: Cross multiply
    479,601.72x = 661,887.02 × 264,783.16
  4. Step 4: Simplify right side
    479,601.72x = 175,256,536,718.58
  5. Step 5: Solve for x
    x = 175,256,536,718.58/479,601.72
  6. Step 6: Final answer
    x = 365,420.99

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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.