Home / 1,087,897.83-1,631,846.45-339,943.83

Finding the Fourth Proportional to 1,087,897.83, 1,631,846.45 and 339,943.83

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Solution

The fourth proportional to 1,087,897.83, 1,631,846.45 and 339,943.83 is: 509,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,897.83 : 1,631,846.45 = 339,943.83 : x
  2. Step 2: Convert to fraction form
    1,087,897.83/1,631,846.45 = 339,943.83/x
  3. Step 3: Cross multiply
    1,087,897.83x = 1,631,846.45 × 339,943.83
  4. Step 4: Simplify right side
    1,087,897.83x = 554,736,130,485.18
  5. Step 5: Solve for x
    x = 554,736,130,485.18/1,087,897.83
  6. Step 6: Final answer
    x = 509,915.65

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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.