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Finding the Fourth Proportional to 670,576.72, 925,377.42 and 368,770.72

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Solution

The fourth proportional to 670,576.72, 925,377.42 and 368,770.72 is: 508,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,576.72 : 925,377.42 = 368,770.72 : x
  2. Step 2: Convert to fraction form
    670,576.72/925,377.42 = 368,770.72/x
  3. Step 3: Cross multiply
    670,576.72x = 925,377.42 × 368,770.72
  4. Step 4: Simplify right side
    670,576.72x = 341,252,097,445.14
  5. Step 5: Solve for x
    x = 341,252,097,445.14/670,576.72
  6. Step 6: Final answer
    x = 508,893.45

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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.