Home / 823,291.40-1,237,010.70-523,915.40

Finding the Fourth Proportional to 823,291.40, 1,237,010.70 and 523,915.40

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Solution

The fourth proportional to 823,291.40, 1,237,010.70 and 523,915.40 is: 787,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,291.40 : 1,237,010.70 = 523,915.40 : x
  2. Step 2: Convert to fraction form
    823,291.40/1,237,010.70 = 523,915.40/x
  3. Step 3: Cross multiply
    823,291.40x = 1,237,010.70 × 523,915.40
  4. Step 4: Simplify right side
    823,291.40x = 648,088,955,694.78
  5. Step 5: Solve for x
    x = 648,088,955,694.78/823,291.40
  6. Step 6: Final answer
    x = 787,192.67

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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.