Home / 708,149.70-1,059,632.55-521,525.70

Finding the Fourth Proportional to 708,149.70, 1,059,632.55 and 521,525.70

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Solution

The fourth proportional to 708,149.70, 1,059,632.55 and 521,525.70 is: 780,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,149.70 : 1,059,632.55 = 521,525.70 : x
  2. Step 2: Convert to fraction form
    708,149.70/1,059,632.55 = 521,525.70/x
  3. Step 3: Cross multiply
    708,149.70x = 1,059,632.55 × 521,525.70
  4. Step 4: Simplify right side
    708,149.70x = 552,625,607,381.54
  5. Step 5: Solve for x
    x = 552,625,607,381.54/708,149.70
  6. Step 6: Final answer
    x = 780,379.64

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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.