Home / 651,145.62-976,878.26-525,920.70

Finding the Fourth Proportional to 651,145.62, 976,878.26 and 525,920.70

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Solution

The fourth proportional to 651,145.62, 976,878.26 and 525,920.70 is: 789,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,145.62 : 976,878.26 = 525,920.70 : x
  2. Step 2: Convert to fraction form
    651,145.62/976,878.26 = 525,920.70/x
  3. Step 3: Cross multiply
    651,145.62x = 976,878.26 × 525,920.70
  4. Step 4: Simplify right side
    651,145.62x = 513,760,498,313.98
  5. Step 5: Solve for x
    x = 513,760,498,313.98/651,145.62
  6. Step 6: Final answer
    x = 789,010.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.