Home / 837,400.96-1,155,602.16-455,419.52

Finding the Fourth Proportional to 837,400.96, 1,155,602.16 and 455,419.52

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Solution

The fourth proportional to 837,400.96, 1,155,602.16 and 455,419.52 is: 628,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,400.96 : 1,155,602.16 = 455,419.52 : x
  2. Step 2: Convert to fraction form
    837,400.96/1,155,602.16 = 455,419.52/x
  3. Step 3: Cross multiply
    837,400.96x = 1,155,602.16 × 455,419.52
  4. Step 4: Simplify right side
    837,400.96x = 526,283,781,018.16
  5. Step 5: Solve for x
    x = 526,283,781,018.16/837,400.96
  6. Step 6: Final answer
    x = 628,472.87

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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.