Home / 682,465.40-941,799.52-376,560.80

Finding the Fourth Proportional to 682,465.40, 941,799.52 and 376,560.80

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Solution

The fourth proportional to 682,465.40, 941,799.52 and 376,560.80 is: 519,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,465.40 : 941,799.52 = 376,560.80 : x
  2. Step 2: Convert to fraction form
    682,465.40/941,799.52 = 376,560.80/x
  3. Step 3: Cross multiply
    682,465.40x = 941,799.52 × 376,560.80
  4. Step 4: Simplify right side
    682,465.40x = 354,644,779,984.27
  5. Step 5: Solve for x
    x = 354,644,779,984.27/682,465.40
  6. Step 6: Final answer
    x = 519,652.40

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Half scale
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Double scale
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Similar ratio
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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.