Home / 525,045.06-787,987.98-272,397.96

Finding the Fourth Proportional to 525,045.06, 787,987.98 and 272,397.96

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Solution

The fourth proportional to 525,045.06, 787,987.98 and 272,397.96 is: 408,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,045.06 : 787,987.98 = 272,397.96 : x
  2. Step 2: Convert to fraction form
    525,045.06/787,987.98 = 272,397.96/x
  3. Step 3: Cross multiply
    525,045.06x = 787,987.98 × 272,397.96
  4. Step 4: Simplify right side
    525,045.06x = 214,646,318,256.52
  5. Step 5: Solve for x
    x = 214,646,318,256.52/525,045.06
  6. Step 6: Final answer
    x = 408,815.04

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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.