Home / 572,026.69-789,396.95-317,377.27

Finding the Fourth Proportional to 572,026.69, 789,396.95 and 317,377.27

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Solution

The fourth proportional to 572,026.69, 789,396.95 and 317,377.27 is: 437,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,026.69 : 789,396.95 = 317,377.27 : x
  2. Step 2: Convert to fraction form
    572,026.69/789,396.95 = 317,377.27/x
  3. Step 3: Cross multiply
    572,026.69x = 789,396.95 × 317,377.27
  4. Step 4: Simplify right side
    572,026.69x = 250,536,643,403.46
  5. Step 5: Solve for x
    x = 250,536,643,403.46/572,026.69
  6. Step 6: Final answer
    x = 437,980.69

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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.