Home / 899,400.18-1,241,190.02-491,527.26

Finding the Fourth Proportional to 899,400.18, 1,241,190.02 and 491,527.26

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Solution

The fourth proportional to 899,400.18, 1,241,190.02 and 491,527.26 is: 678,317.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,400.18 : 1,241,190.02 = 491,527.26 : x
  2. Step 2: Convert to fraction form
    899,400.18/1,241,190.02 = 491,527.26/x
  3. Step 3: Cross multiply
    899,400.18x = 1,241,190.02 × 491,527.26
  4. Step 4: Simplify right side
    899,400.18x = 610,078,729,669.95
  5. Step 5: Solve for x
    x = 610,078,729,669.95/899,400.18
  6. Step 6: Final answer
    x = 678,317.33

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Double scale
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Similar ratio
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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.