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Finding the Fourth Proportional to 476,573.89, 657,674.18 and 272,627.05

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Solution

The fourth proportional to 476,573.89, 657,674.18 and 272,627.05 is: 376,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,573.89 : 657,674.18 = 272,627.05 : x
  2. Step 2: Convert to fraction form
    476,573.89/657,674.18 = 272,627.05/x
  3. Step 3: Cross multiply
    476,573.89x = 657,674.18 × 272,627.05
  4. Step 4: Simplify right side
    476,573.89x = 179,299,771,554.57
  5. Step 5: Solve for x
    x = 179,299,771,554.57/476,573.89
  6. Step 6: Final answer
    x = 376,226.59

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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.