Home / 774,528.25-1,160,961.77-374,618.90

Finding the Fourth Proportional to 774,528.25, 1,160,961.77 and 374,618.90

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Solution

The fourth proportional to 774,528.25, 1,160,961.77 and 374,618.90 is: 561,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,528.25 : 1,160,961.77 = 374,618.90 : x
  2. Step 2: Convert to fraction form
    774,528.25/1,160,961.77 = 374,618.90/x
  3. Step 3: Cross multiply
    774,528.25x = 1,160,961.77 × 374,618.90
  4. Step 4: Simplify right side
    774,528.25x = 434,918,222,320.03
  5. Step 5: Solve for x
    x = 434,918,222,320.03/774,528.25
  6. Step 6: Final answer
    x = 561,526.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.