Home / 765,844.12-1,148,771.87-286,180.34

Finding the Fourth Proportional to 765,844.12, 1,148,771.87 and 286,180.34

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Solution

The fourth proportional to 765,844.12, 1,148,771.87 and 286,180.34 is: 429,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,844.12 : 1,148,771.87 = 286,180.34 : x
  2. Step 2: Convert to fraction form
    765,844.12/1,148,771.87 = 286,180.34/x
  3. Step 3: Cross multiply
    765,844.12x = 1,148,771.87 × 286,180.34
  4. Step 4: Simplify right side
    765,844.12x = 328,755,924,699.29
  5. Step 5: Solve for x
    x = 328,755,924,699.29/765,844.12
  6. Step 6: Final answer
    x = 429,272.64

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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.