Home / 837,443.70-1,155,686.94-455,473.08

Finding the Fourth Proportional to 837,443.70, 1,155,686.94 and 455,473.08

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Solution

The fourth proportional to 837,443.70, 1,155,686.94 and 455,473.08 is: 628,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,443.70 : 1,155,686.94 = 455,473.08 : x
  2. Step 2: Convert to fraction form
    837,443.70/1,155,686.94 = 455,473.08/x
  3. Step 3: Cross multiply
    837,443.70x = 1,155,686.94 × 455,473.08
  4. Step 4: Simplify right side
    837,443.70x = 526,384,290,077.58
  5. Step 5: Solve for x
    x = 526,384,290,077.58/837,443.70
  6. Step 6: Final answer
    x = 628,560.81

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1.5x scale

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.