Home / 772,938.20-1,158,485.70-323,658.20

Finding the Fourth Proportional to 772,938.20, 1,158,485.70 and 323,658.20

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Solution

The fourth proportional to 772,938.20, 1,158,485.70 and 323,658.20 is: 485,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,938.20 : 1,158,485.70 = 323,658.20 : x
  2. Step 2: Convert to fraction form
    772,938.20/1,158,485.70 = 323,658.20/x
  3. Step 3: Cross multiply
    772,938.20x = 1,158,485.70 × 323,658.20
  4. Step 4: Simplify right side
    772,938.20x = 374,953,396,387.74
  5. Step 5: Solve for x
    x = 374,953,396,387.74/772,938.20
  6. Step 6: Final answer
    x = 485,101.39

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Double scale
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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.