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Finding the Fourth Proportional to 504,019.20, 754,279.20 and 346,555.20

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Solution

The fourth proportional to 504,019.20, 754,279.20 and 346,555.20 is: 518,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,019.20 : 754,279.20 = 346,555.20 : x
  2. Step 2: Convert to fraction form
    504,019.20/754,279.20 = 346,555.20/x
  3. Step 3: Cross multiply
    504,019.20x = 754,279.20 × 346,555.20
  4. Step 4: Simplify right side
    504,019.20x = 261,399,379,011.84
  5. Step 5: Solve for x
    x = 261,399,379,011.84/504,019.20
  6. Step 6: Final answer
    x = 518,629.80

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1.5x scale

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.