Home / 572,417.56-789,905.34-317,752.34

Finding the Fourth Proportional to 572,417.56, 789,905.34 and 317,752.34

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Solution

The fourth proportional to 572,417.56, 789,905.34 and 317,752.34 is: 438,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,417.56 : 789,905.34 = 317,752.34 : x
  2. Step 2: Convert to fraction form
    572,417.56/789,905.34 = 317,752.34/x
  3. Step 3: Cross multiply
    572,417.56x = 789,905.34 × 317,752.34
  4. Step 4: Simplify right side
    572,417.56x = 250,994,270,163.50
  5. Step 5: Solve for x
    x = 250,994,270,163.50/572,417.56
  6. Step 6: Final answer
    x = 438,481.08

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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.