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Finding the Fourth Proportional to 546,810.56, 754,597.52 and 305,078.76

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Solution

The fourth proportional to 546,810.56, 754,597.52 and 305,078.76 is: 421,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,810.56 : 754,597.52 = 305,078.76 : x
  2. Step 2: Convert to fraction form
    546,810.56/754,597.52 = 305,078.76/x
  3. Step 3: Cross multiply
    546,810.56x = 754,597.52 × 305,078.76
  4. Step 4: Simplify right side
    546,810.56x = 230,211,675,700.68
  5. Step 5: Solve for x
    x = 230,211,675,700.68/546,810.56
  6. Step 6: Final answer
    x = 421,008.10

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1.5x scale

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.