Home / 837,447.70-1,155,692.46-455,477.08

Finding the Fourth Proportional to 837,447.70, 1,155,692.46 and 455,477.08

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Solution

The fourth proportional to 837,447.70, 1,155,692.46 and 455,477.08 is: 628,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,447.70 : 1,155,692.46 = 455,477.08 : x
  2. Step 2: Convert to fraction form
    837,447.70/1,155,692.46 = 455,477.08/x
  3. Step 3: Cross multiply
    837,447.70x = 1,155,692.46 × 455,477.08
  4. Step 4: Simplify right side
    837,447.70x = 526,391,427,058.82
  5. Step 5: Solve for x
    x = 526,391,427,058.82/837,447.70
  6. Step 6: Final answer
    x = 628,566.33

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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.