Home / 899,773.39-1,241,689.79-491,880.13

Finding the Fourth Proportional to 899,773.39, 1,241,689.79 and 491,880.13

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Solution

The fourth proportional to 899,773.39, 1,241,689.79 and 491,880.13 is: 678,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,773.39 : 1,241,689.79 = 491,880.13 : x
  2. Step 2: Convert to fraction form
    899,773.39/1,241,689.79 = 491,880.13/x
  3. Step 3: Cross multiply
    899,773.39x = 1,241,689.79 × 491,880.13
  4. Step 4: Simplify right side
    899,773.39x = 610,762,535,324.87
  5. Step 5: Solve for x
    x = 610,762,535,324.87/899,773.39
  6. Step 6: Final answer
    x = 678,795.95

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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.