Home / 837,436.34-1,155,628.94-455,463.02

Finding the Fourth Proportional to 837,436.34, 1,155,628.94 and 455,463.02

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Solution

The fourth proportional to 837,436.34, 1,155,628.94 and 455,463.02 is: 628,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,436.34 : 1,155,628.94 = 455,463.02 : x
  2. Step 2: Convert to fraction form
    837,436.34/1,155,628.94 = 455,463.02/x
  3. Step 3: Cross multiply
    837,436.34x = 1,155,628.94 × 455,463.02
  4. Step 4: Simplify right side
    837,436.34x = 526,346,247,011.80
  5. Step 5: Solve for x
    x = 526,346,247,011.80/837,436.34
  6. Step 6: Final answer
    x = 628,520.91

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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.