Home / 642,040.50-962,223.76-357,719.56

Finding the Fourth Proportional to 642,040.50, 962,223.76 and 357,719.56

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Solution

The fourth proportional to 642,040.50, 962,223.76 and 357,719.56 is: 536,113.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,040.50 : 962,223.76 = 357,719.56 : x
  2. Step 2: Convert to fraction form
    642,040.50/962,223.76 = 357,719.56/x
  3. Step 3: Cross multiply
    642,040.50x = 962,223.76 × 357,719.56
  4. Step 4: Simplify right side
    642,040.50x = 344,206,260,048.75
  5. Step 5: Solve for x
    x = 344,206,260,048.75/642,040.50
  6. Step 6: Final answer
    x = 536,113.00

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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.