Home / 572,298.66-789,629.85-317,586.06

Finding the Fourth Proportional to 572,298.66, 789,629.85 and 317,586.06

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Solution

The fourth proportional to 572,298.66, 789,629.85 and 317,586.06 is: 438,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,298.66 : 789,629.85 = 317,586.06 : x
  2. Step 2: Convert to fraction form
    572,298.66/789,629.85 = 317,586.06/x
  3. Step 3: Cross multiply
    572,298.66x = 789,629.85 × 317,586.06
  4. Step 4: Simplify right side
    572,298.66x = 250,775,432,919.89
  5. Step 5: Solve for x
    x = 250,775,432,919.89/572,298.66
  6. Step 6: Final answer
    x = 438,189.80

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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.