Home / 1,087,897.71-1,631,846.25-339,943.71

Finding the Fourth Proportional to 1,087,897.71, 1,631,846.25 and 339,943.71

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Solution

The fourth proportional to 1,087,897.71, 1,631,846.25 and 339,943.71 is: 509,915.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,897.71 : 1,631,846.25 = 339,943.71 : x
  2. Step 2: Convert to fraction form
    1,087,897.71/1,631,846.25 = 339,943.71/x
  3. Step 3: Cross multiply
    1,087,897.71x = 1,631,846.25 × 339,943.71
  4. Step 4: Simplify right side
    1,087,897.71x = 554,735,868,374.59
  5. Step 5: Solve for x
    x = 554,735,868,374.59/1,087,897.71
  6. Step 6: Final answer
    x = 509,915.47

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.