Home / 765,623.34-1,056,499.14-443,354.31

Finding the Fourth Proportional to 765,623.34, 1,056,499.14 and 443,354.31

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Solution

The fourth proportional to 765,623.34, 1,056,499.14 and 443,354.31 is: 611,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,623.34 : 1,056,499.14 = 443,354.31 : x
  2. Step 2: Convert to fraction form
    765,623.34/1,056,499.14 = 443,354.31/x
  3. Step 3: Cross multiply
    765,623.34x = 1,056,499.14 × 443,354.31
  4. Step 4: Simplify right side
    765,623.34x = 468,403,447,230.29
  5. Step 5: Solve for x
    x = 468,403,447,230.29/765,623.34
  6. Step 6: Final answer
    x = 611,793.58

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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.