Home / 775,293.16-1,161,752.64-521,633.98

Finding the Fourth Proportional to 775,293.16, 1,161,752.64 and 521,633.98

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Solution

The fourth proportional to 775,293.16, 1,161,752.64 and 521,633.98 is: 781,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,293.16 : 1,161,752.64 = 521,633.98 : x
  2. Step 2: Convert to fraction form
    775,293.16/1,161,752.64 = 521,633.98/x
  3. Step 3: Cross multiply
    775,293.16x = 1,161,752.64 × 521,633.98
  4. Step 4: Simplify right side
    775,293.16x = 606,009,653,378.71
  5. Step 5: Solve for x
    x = 606,009,653,378.71/775,293.16
  6. Step 6: Final answer
    x = 781,652.26

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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.