Home / 765,243.04-1,055,750.16-478,654.24

Finding the Fourth Proportional to 765,243.04, 1,055,750.16 and 478,654.24

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Solution

The fourth proportional to 765,243.04, 1,055,750.16 and 478,654.24 is: 660,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,243.04 : 1,055,750.16 = 478,654.24 : x
  2. Step 2: Convert to fraction form
    765,243.04/1,055,750.16 = 478,654.24/x
  3. Step 3: Cross multiply
    765,243.04x = 1,055,750.16 × 478,654.24
  4. Step 4: Simplify right side
    765,243.04x = 505,339,290,464.68
  5. Step 5: Solve for x
    x = 505,339,290,464.68/765,243.04
  6. Step 6: Final answer
    x = 660,364.44

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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.