Home / 906,491.30-1,250,960.48-498,634.93

Finding the Fourth Proportional to 906,491.30, 1,250,960.48 and 498,634.93

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Solution

The fourth proportional to 906,491.30, 1,250,960.48 and 498,634.93 is: 688,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,491.30 : 1,250,960.48 = 498,634.93 : x
  2. Step 2: Convert to fraction form
    906,491.30/1,250,960.48 = 498,634.93/x
  3. Step 3: Cross multiply
    906,491.30x = 1,250,960.48 × 498,634.93
  4. Step 4: Simplify right side
    906,491.30x = 623,772,589,496.75
  5. Step 5: Solve for x
    x = 623,772,589,496.75/906,491.30
  6. Step 6: Final answer
    x = 688,117.57

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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.