Home / 837,317.50-1,155,487.31-455,336.08

Finding the Fourth Proportional to 837,317.50, 1,155,487.31 and 455,336.08

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Solution

The fourth proportional to 837,317.50, 1,155,487.31 and 455,336.08 is: 628,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,317.50 : 1,155,487.31 = 455,336.08 : x
  2. Step 2: Convert to fraction form
    837,317.50/1,155,487.31 = 455,336.08/x
  3. Step 3: Cross multiply
    837,317.50x = 1,155,487.31 × 455,336.08
  4. Step 4: Simplify right side
    837,317.50x = 526,135,058,767.26
  5. Step 5: Solve for x
    x = 526,135,058,767.26/837,317.50
  6. Step 6: Final answer
    x = 628,357.89

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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.