Home / 480,900.22-721,548.96-210,888.59

Finding the Fourth Proportional to 480,900.22, 721,548.96 and 210,888.59

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Solution

The fourth proportional to 480,900.22, 721,548.96 and 210,888.59 is: 316,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,900.22 : 721,548.96 = 210,888.59 : x
  2. Step 2: Convert to fraction form
    480,900.22/721,548.96 = 210,888.59/x
  3. Step 3: Cross multiply
    480,900.22x = 721,548.96 × 210,888.59
  4. Step 4: Simplify right side
    480,900.22x = 152,166,438,128.18
  5. Step 5: Solve for x
    x = 152,166,438,128.18/480,900.22
  6. Step 6: Final answer
    x = 316,419.98

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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.