Home / 529,637.23-730,890.77-287,925.89

Finding the Fourth Proportional to 529,637.23, 730,890.77 and 287,925.89

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Solution

The fourth proportional to 529,637.23, 730,890.77 and 287,925.89 is: 397,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,637.23 : 730,890.77 = 287,925.89 : x
  2. Step 2: Convert to fraction form
    529,637.23/730,890.77 = 287,925.89/x
  3. Step 3: Cross multiply
    529,637.23x = 730,890.77 × 287,925.89
  4. Step 4: Simplify right side
    529,637.23x = 210,442,375,272.00
  5. Step 5: Solve for x
    x = 210,442,375,272.00/529,637.23
  6. Step 6: Final answer
    x = 397,333.05

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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.