Home / 628,166.10-942,249.15-376,223.70

Finding the Fourth Proportional to 628,166.10, 942,249.15 and 376,223.70

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Solution

The fourth proportional to 628,166.10, 942,249.15 and 376,223.70 is: 564,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,166.10 : 942,249.15 = 376,223.70 : x
  2. Step 2: Convert to fraction form
    628,166.10/942,249.15 = 376,223.70/x
  3. Step 3: Cross multiply
    628,166.10x = 942,249.15 × 376,223.70
  4. Step 4: Simplify right side
    628,166.10x = 354,496,461,534.86
  5. Step 5: Solve for x
    x = 354,496,461,534.86/628,166.10
  6. Step 6: Final answer
    x = 564,335.55

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.