Home / 903,902.21-1,247,381.61-496,010.88

Finding the Fourth Proportional to 903,902.21, 1,247,381.61 and 496,010.88

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Solution

The fourth proportional to 903,902.21, 1,247,381.61 and 496,010.88 is: 684,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,902.21 : 1,247,381.61 = 496,010.88 : x
  2. Step 2: Convert to fraction form
    903,902.21/1,247,381.61 = 496,010.88/x
  3. Step 3: Cross multiply
    903,902.21x = 1,247,381.61 × 496,010.88
  4. Step 4: Simplify right side
    903,902.21x = 618,714,850,071.92
  5. Step 5: Solve for x
    x = 618,714,850,071.92/903,902.21
  6. Step 6: Final answer
    x = 684,493.13

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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.