Home / 917,830.70-1,376,273.33-411,958.01

Finding the Fourth Proportional to 917,830.70, 1,376,273.33 and 411,958.01

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Solution

The fourth proportional to 917,830.70, 1,376,273.33 and 411,958.01 is: 617,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,830.70 : 1,376,273.33 = 411,958.01 : x
  2. Step 2: Convert to fraction form
    917,830.70/1,376,273.33 = 411,958.01/x
  3. Step 3: Cross multiply
    917,830.70x = 1,376,273.33 × 411,958.01
  4. Step 4: Simplify right side
    917,830.70x = 566,966,813,301.72
  5. Step 5: Solve for x
    x = 566,966,813,301.72/917,830.70
  6. Step 6: Final answer
    x = 617,724.83

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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.