Home / 572,195.97-789,383.75-345,710.25

Finding the Fourth Proportional to 572,195.97, 789,383.75 and 345,710.25

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Solution

The fourth proportional to 572,195.97, 789,383.75 and 345,710.25 is: 476,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,195.97 : 789,383.75 = 345,710.25 : x
  2. Step 2: Convert to fraction form
    572,195.97/789,383.75 = 345,710.25/x
  3. Step 3: Cross multiply
    572,195.97x = 789,383.75 × 345,710.25
  4. Step 4: Simplify right side
    572,195.97x = 272,898,051,829.89
  5. Step 5: Solve for x
    x = 272,898,051,829.89/572,195.97
  6. Step 6: Final answer
    x = 476,931.10

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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.