Home / 691,214.70-1,035,072.45-551,246.70

Finding the Fourth Proportional to 691,214.70, 1,035,072.45 and 551,246.70

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Solution

The fourth proportional to 691,214.70, 1,035,072.45 and 551,246.70 is: 825,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,214.70 : 1,035,072.45 = 551,246.70 : x
  2. Step 2: Convert to fraction form
    691,214.70/1,035,072.45 = 551,246.70/x
  3. Step 3: Cross multiply
    691,214.70x = 1,035,072.45 × 551,246.70
  4. Step 4: Simplify right side
    691,214.70x = 570,580,272,323.42
  5. Step 5: Solve for x
    x = 570,580,272,323.42/691,214.70
  6. Step 6: Final answer
    x = 825,474.74

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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.