Home / 651,146.62-976,879.76-525,921.70

Finding the Fourth Proportional to 651,146.62, 976,879.76 and 525,921.70

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Solution

The fourth proportional to 651,146.62, 976,879.76 and 525,921.70 is: 789,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,146.62 : 976,879.76 = 525,921.70 : x
  2. Step 2: Convert to fraction form
    651,146.62/976,879.76 = 525,921.70/x
  3. Step 3: Cross multiply
    651,146.62x = 976,879.76 × 525,921.70
  4. Step 4: Simplify right side
    651,146.62x = 513,762,264,074.79
  5. Step 5: Solve for x
    x = 513,762,264,074.79/651,146.62
  6. Step 6: Final answer
    x = 789,011.64

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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.