Home / 772,751.68-1,158,836.30-323,503.58

Finding the Fourth Proportional to 772,751.68, 1,158,836.30 and 323,503.58

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Solution

The fourth proportional to 772,751.68, 1,158,836.30 and 323,503.58 is: 485,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,751.68 : 1,158,836.30 = 323,503.58 : x
  2. Step 2: Convert to fraction form
    772,751.68/1,158,836.30 = 323,503.58/x
  3. Step 3: Cross multiply
    772,751.68x = 1,158,836.30 × 323,503.58
  4. Step 4: Simplify right side
    772,751.68x = 374,887,691,683.95
  5. Step 5: Solve for x
    x = 374,887,691,683.95/772,751.68
  6. Step 6: Final answer
    x = 485,133.45

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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.