Home / 765,864.02-1,148,795.46-344,647.82

Finding the Fourth Proportional to 765,864.02, 1,148,795.46 and 344,647.82

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Solution

The fourth proportional to 765,864.02, 1,148,795.46 and 344,647.82 is: 516,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,864.02 : 1,148,795.46 = 344,647.82 : x
  2. Step 2: Convert to fraction form
    765,864.02/1,148,795.46 = 344,647.82/x
  3. Step 3: Cross multiply
    765,864.02x = 1,148,795.46 × 344,647.82
  4. Step 4: Simplify right side
    765,864.02x = 395,929,850,914.90
  5. Step 5: Solve for x
    x = 395,929,850,914.90/765,864.02
  6. Step 6: Final answer
    x = 516,971.47

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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.