Home / 906,492.30-1,250,961.86-498,635.93

Finding the Fourth Proportional to 906,492.30, 1,250,961.86 and 498,635.93

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Solution

The fourth proportional to 906,492.30, 1,250,961.86 and 498,635.93 is: 688,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,492.30 : 1,250,961.86 = 498,635.93 : x
  2. Step 2: Convert to fraction form
    906,492.30/1,250,961.86 = 498,635.93/x
  3. Step 3: Cross multiply
    906,492.30x = 1,250,961.86 × 498,635.93
  4. Step 4: Simplify right side
    906,492.30x = 623,774,530,455.63
  5. Step 5: Solve for x
    x = 623,774,530,455.63/906,492.30
  6. Step 6: Final answer
    x = 688,118.95

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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.