Home / 785,746.87-1,084,338.26-446,217.55

Finding the Fourth Proportional to 785,746.87, 1,084,338.26 and 446,217.55

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Solution

The fourth proportional to 785,746.87, 1,084,338.26 and 446,217.55 is: 615,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,746.87 : 1,084,338.26 = 446,217.55 : x
  2. Step 2: Convert to fraction form
    785,746.87/1,084,338.26 = 446,217.55/x
  3. Step 3: Cross multiply
    785,746.87x = 1,084,338.26 × 446,217.55
  4. Step 4: Simplify right side
    785,746.87x = 483,850,758,479.85
  5. Step 5: Solve for x
    x = 483,850,758,479.85/785,746.87
  6. Step 6: Final answer
    x = 615,784.52

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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.