Home / 485,916.66-670,595.85-271,056.29

Finding the Fourth Proportional to 485,916.66, 670,595.85 and 271,056.29

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Solution

The fourth proportional to 485,916.66, 670,595.85 and 271,056.29 is: 374,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,916.66 : 670,595.85 = 271,056.29 : x
  2. Step 2: Convert to fraction form
    485,916.66/670,595.85 = 271,056.29/x
  3. Step 3: Cross multiply
    485,916.66x = 670,595.85 × 271,056.29
  4. Step 4: Simplify right side
    485,916.66x = 181,769,219,837.42
  5. Step 5: Solve for x
    x = 181,769,219,837.42/485,916.66
  6. Step 6: Final answer
    x = 374,074.89

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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.