Home / 434,743.68-651,152-334,163.20

Finding the Fourth Proportional to 434,743.68, 651,152 and 334,163.20

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Solution

The fourth proportional to 434,743.68, 651,152 and 334,163.20 is: 500,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,743.68 : 651,152 = 334,163.20 : x
  2. Step 2: Convert to fraction form
    434,743.68/651,152 = 334,163.20/x
  3. Step 3: Cross multiply
    434,743.68x = 651,152 × 334,163.20
  4. Step 4: Simplify right side
    434,743.68x = 217,591,036,006.40
  5. Step 5: Solve for x
    x = 217,591,036,006.40/434,743.68
  6. Step 6: Final answer
    x = 500,504.20

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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.