Home / 572,342.90-789,793.66-317,674.04

Finding the Fourth Proportional to 572,342.90, 789,793.66 and 317,674.04

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Solution

The fourth proportional to 572,342.90, 789,793.66 and 317,674.04 is: 438,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,342.90 : 789,793.66 = 317,674.04 : x
  2. Step 2: Convert to fraction form
    572,342.90/789,793.66 = 317,674.04/x
  3. Step 3: Cross multiply
    572,342.90x = 789,793.66 × 317,674.04
  4. Step 4: Simplify right side
    572,342.90x = 250,896,939,186.71
  5. Step 5: Solve for x
    x = 250,896,939,186.71/572,342.90
  6. Step 6: Final answer
    x = 438,368.23

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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.