Home / 837,429.15-1,155,648.99-455,462.31

Finding the Fourth Proportional to 837,429.15, 1,155,648.99 and 455,462.31

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Solution

The fourth proportional to 837,429.15, 1,155,648.99 and 455,462.31 is: 628,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,429.15 : 1,155,648.99 = 455,462.31 : x
  2. Step 2: Convert to fraction form
    837,429.15/1,155,648.99 = 455,462.31/x
  3. Step 3: Cross multiply
    837,429.15x = 1,155,648.99 × 455,462.31
  4. Step 4: Simplify right side
    837,429.15x = 526,354,558,534.57
  5. Step 5: Solve for x
    x = 526,354,558,534.57/837,429.15
  6. Step 6: Final answer
    x = 628,536.23

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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.