Home / 572,412.99-789,890.34-317,744.13

Finding the Fourth Proportional to 572,412.99, 789,890.34 and 317,744.13

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Solution

The fourth proportional to 572,412.99, 789,890.34 and 317,744.13 is: 438,464.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,412.99 : 789,890.34 = 317,744.13 : x
  2. Step 2: Convert to fraction form
    572,412.99/789,890.34 = 317,744.13/x
  3. Step 3: Cross multiply
    572,412.99x = 789,890.34 × 317,744.13
  4. Step 4: Simplify right side
    572,412.99x = 250,983,018,878.70
  5. Step 5: Solve for x
    x = 250,983,018,878.70/572,412.99
  6. Step 6: Final answer
    x = 438,464.93

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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.