Home / 572,773.67-789,899.49-389,287.07

Finding the Fourth Proportional to 572,773.67, 789,899.49 and 389,287.07

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Solution

The fourth proportional to 572,773.67, 789,899.49 and 389,287.07 is: 536,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,773.67 : 789,899.49 = 389,287.07 : x
  2. Step 2: Convert to fraction form
    572,773.67/789,899.49 = 389,287.07/x
  3. Step 3: Cross multiply
    572,773.67x = 789,899.49 × 389,287.07
  4. Step 4: Simplify right side
    572,773.67x = 307,497,658,056.59
  5. Step 5: Solve for x
    x = 307,497,658,056.59/572,773.67
  6. Step 6: Final answer
    x = 536,857.18

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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.