Home / 688,746.33-1,033,129.89-262,305.77

Finding the Fourth Proportional to 688,746.33, 1,033,129.89 and 262,305.77

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Solution

The fourth proportional to 688,746.33, 1,033,129.89 and 262,305.77 is: 393,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,746.33 : 1,033,129.89 = 262,305.77 : x
  2. Step 2: Convert to fraction form
    688,746.33/1,033,129.89 = 262,305.77/x
  3. Step 3: Cross multiply
    688,746.33x = 1,033,129.89 × 262,305.77
  4. Step 4: Simplify right side
    688,746.33x = 270,995,926,140.82
  5. Step 5: Solve for x
    x = 270,995,926,140.82/688,746.33
  6. Step 6: Final answer
    x = 393,462.61

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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.