Home / 511,743.04-767,078.32-286,773.64

Finding the Fourth Proportional to 511,743.04, 767,078.32 and 286,773.64

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Solution

The fourth proportional to 511,743.04, 767,078.32 and 286,773.64 is: 429,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,743.04 : 767,078.32 = 286,773.64 : x
  2. Step 2: Convert to fraction form
    511,743.04/767,078.32 = 286,773.64/x
  3. Step 3: Cross multiply
    511,743.04x = 767,078.32 × 286,773.64
  4. Step 4: Simplify right side
    511,743.04x = 219,977,841,991.49
  5. Step 5: Solve for x
    x = 219,977,841,991.49/511,743.04
  6. Step 6: Final answer
    x = 429,859.96

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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.