Home / 717,855.17-1,077,027.64-451,303.61

Finding the Fourth Proportional to 717,855.17, 1,077,027.64 and 451,303.61

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Solution

The fourth proportional to 717,855.17, 1,077,027.64 and 451,303.61 is: 677,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,855.17 : 1,077,027.64 = 451,303.61 : x
  2. Step 2: Convert to fraction form
    717,855.17/1,077,027.64 = 451,303.61/x
  3. Step 3: Cross multiply
    717,855.17x = 1,077,027.64 × 451,303.61
  4. Step 4: Simplify right side
    717,855.17x = 486,066,455,488.38
  5. Step 5: Solve for x
    x = 486,066,455,488.38/717,855.17
  6. Step 6: Final answer
    x = 677,109.37

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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.