Home / 671,602.80-1,006,529.40-271,916.40

Finding the Fourth Proportional to 671,602.80, 1,006,529.40 and 271,916.40

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Solution

The fourth proportional to 671,602.80, 1,006,529.40 and 271,916.40 is: 407,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,602.80 : 1,006,529.40 = 271,916.40 : x
  2. Step 2: Convert to fraction form
    671,602.80/1,006,529.40 = 271,916.40/x
  3. Step 3: Cross multiply
    671,602.80x = 1,006,529.40 × 271,916.40
  4. Step 4: Simplify right side
    671,602.80x = 273,691,850,942.16
  5. Step 5: Solve for x
    x = 273,691,850,942.16/671,602.80
  6. Step 6: Final answer
    x = 407,520.41

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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.