Home / 906,511.55-1,250,899.12-498,606.89

Finding the Fourth Proportional to 906,511.55, 1,250,899.12 and 498,606.89

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Solution

The fourth proportional to 906,511.55, 1,250,899.12 and 498,606.89 is: 688,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,511.55 : 1,250,899.12 = 498,606.89 : x
  2. Step 2: Convert to fraction form
    906,511.55/1,250,899.12 = 498,606.89/x
  3. Step 3: Cross multiply
    906,511.55x = 1,250,899.12 × 498,606.89
  4. Step 4: Simplify right side
    906,511.55x = 623,706,919,926.94
  5. Step 5: Solve for x
    x = 623,706,919,926.94/906,511.55
  6. Step 6: Final answer
    x = 688,029.76

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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.