Home / 727,521.19-1,003,902.46-421,693.50

Finding the Fourth Proportional to 727,521.19, 1,003,902.46 and 421,693.50

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Solution

The fourth proportional to 727,521.19, 1,003,902.46 and 421,693.50 is: 581,892.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,521.19 : 1,003,902.46 = 421,693.50 : x
  2. Step 2: Convert to fraction form
    727,521.19/1,003,902.46 = 421,693.50/x
  3. Step 3: Cross multiply
    727,521.19x = 1,003,902.46 × 421,693.50
  4. Step 4: Simplify right side
    727,521.19x = 423,339,142,016.01
  5. Step 5: Solve for x
    x = 423,339,142,016.01/727,521.19
  6. Step 6: Final answer
    x = 581,892.52

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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.