Home / 837,435.72-1,155,628.02-455,462.28

Finding the Fourth Proportional to 837,435.72, 1,155,628.02 and 455,462.28

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Solution

The fourth proportional to 837,435.72, 1,155,628.02 and 455,462.28 is: 628,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,435.72 : 1,155,628.02 = 455,462.28 : x
  2. Step 2: Convert to fraction form
    837,435.72/1,155,628.02 = 455,462.28/x
  3. Step 3: Cross multiply
    837,435.72x = 1,155,628.02 × 455,462.28
  4. Step 4: Simplify right side
    837,435.72x = 526,344,972,821.09
  5. Step 5: Solve for x
    x = 526,344,972,821.09/837,435.72
  6. Step 6: Final answer
    x = 628,519.85

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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.