Home / 837,320.88-1,155,491.96-455,339.46

Finding the Fourth Proportional to 837,320.88, 1,155,491.96 and 455,339.46

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Solution

The fourth proportional to 837,320.88, 1,155,491.96 and 455,339.46 is: 628,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,320.88 : 1,155,491.96 = 455,339.46 : x
  2. Step 2: Convert to fraction form
    837,320.88/1,155,491.96 = 455,339.46/x
  3. Step 3: Cross multiply
    837,320.88x = 1,155,491.96 × 455,339.46
  4. Step 4: Simplify right side
    837,320.88x = 526,141,085,100.74
  5. Step 5: Solve for x
    x = 526,141,085,100.74/837,320.88
  6. Step 6: Final answer
    x = 628,362.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.