Home / 903,910.21-1,247,473.57-496,090.89

Finding the Fourth Proportional to 903,910.21, 1,247,473.57 and 496,090.89

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Solution

The fourth proportional to 903,910.21, 1,247,473.57 and 496,090.89 is: 684,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,910.21 : 1,247,473.57 = 496,090.89 : x
  2. Step 2: Convert to fraction form
    903,910.21/1,247,473.57 = 496,090.89/x
  3. Step 3: Cross multiply
    903,910.21x = 1,247,473.57 × 496,090.89
  4. Step 4: Simplify right side
    903,910.21x = 618,860,273,592.78
  5. Step 5: Solve for x
    x = 618,860,273,592.78/903,910.21
  6. Step 6: Final answer
    x = 684,647.95

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Double scale
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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.