Home / 906,755.59-1,251,320.83-498,856.45

Finding the Fourth Proportional to 906,755.59, 1,251,320.83 and 498,856.45

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Solution

The fourth proportional to 906,755.59, 1,251,320.83 and 498,856.45 is: 688,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,755.59 : 1,251,320.83 = 498,856.45 : x
  2. Step 2: Convert to fraction form
    906,755.59/1,251,320.83 = 498,856.45/x
  3. Step 3: Cross multiply
    906,755.59x = 1,251,320.83 × 498,856.45
  4. Step 4: Simplify right side
    906,755.59x = 624,229,467,064.85
  5. Step 5: Solve for x
    x = 624,229,467,064.85/906,755.59
  6. Step 6: Final answer
    x = 688,420.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.