Home / 480,902.22-721,551.96-210,890.59

Finding the Fourth Proportional to 480,902.22, 721,551.96 and 210,890.59

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Solution

The fourth proportional to 480,902.22, 721,551.96 and 210,890.59 is: 316,422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,902.22 : 721,551.96 = 210,890.59 : x
  2. Step 2: Convert to fraction form
    480,902.22/721,551.96 = 210,890.59/x
  3. Step 3: Cross multiply
    480,902.22x = 721,551.96 × 210,890.59
  4. Step 4: Simplify right side
    480,902.22x = 152,168,518,560.06
  5. Step 5: Solve for x
    x = 152,168,518,560.06/480,902.22
  6. Step 6: Final answer
    x = 316,422.99

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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.