Home / 438,199.54-657,571.47-280,541.14

Finding the Fourth Proportional to 438,199.54, 657,571.47 and 280,541.14

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Solution

The fourth proportional to 438,199.54, 657,571.47 and 280,541.14 is: 420,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,199.54 : 657,571.47 = 280,541.14 : x
  2. Step 2: Convert to fraction form
    438,199.54/657,571.47 = 280,541.14/x
  3. Step 3: Cross multiply
    438,199.54x = 657,571.47 × 280,541.14
  4. Step 4: Simplify right side
    438,199.54x = 184,475,849,825.28
  5. Step 5: Solve for x
    x = 184,475,849,825.28/438,199.54
  6. Step 6: Final answer
    x = 420,985.95

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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.