Home / 815,580.02-1,125,909.52-509,826.48

Finding the Fourth Proportional to 815,580.02, 1,125,909.52 and 509,826.48

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Solution

The fourth proportional to 815,580.02, 1,125,909.52 and 509,826.48 is: 703,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,580.02 : 1,125,909.52 = 509,826.48 : x
  2. Step 2: Convert to fraction form
    815,580.02/1,125,909.52 = 509,826.48/x
  3. Step 3: Cross multiply
    815,580.02x = 1,125,909.52 × 509,826.48
  4. Step 4: Simplify right side
    815,580.02x = 574,018,487,380.09
  5. Step 5: Solve for x
    x = 574,018,487,380.09/815,580.02
  6. Step 6: Final answer
    x = 703,816.27

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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.