Home / 489,842.19-676,004.65-272,051.73

Finding the Fourth Proportional to 489,842.19, 676,004.65 and 272,051.73

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Solution

The fourth proportional to 489,842.19, 676,004.65 and 272,051.73 is: 375,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,842.19 : 676,004.65 = 272,051.73 : x
  2. Step 2: Convert to fraction form
    489,842.19/676,004.65 = 272,051.73/x
  3. Step 3: Cross multiply
    489,842.19x = 676,004.65 × 272,051.73
  4. Step 4: Simplify right side
    489,842.19x = 183,908,233,840.42
  5. Step 5: Solve for x
    x = 183,908,233,840.42/489,842.19
  6. Step 6: Final answer
    x = 375,443.84

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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.