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Finding the Fourth Proportional to 626,519.40, 940,070.70 and 327,337.80

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Solution

The fourth proportional to 626,519.40, 940,070.70 and 327,337.80 is: 491,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,519.40 : 940,070.70 = 327,337.80 : x
  2. Step 2: Convert to fraction form
    626,519.40/940,070.70 = 327,337.80/x
  3. Step 3: Cross multiply
    626,519.40x = 940,070.70 × 327,337.80
  4. Step 4: Simplify right side
    626,519.40x = 307,720,674,782.46
  5. Step 5: Solve for x
    x = 307,720,674,782.46/626,519.40
  6. Step 6: Final answer
    x = 491,159.05

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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.