Home / 642,124.23-963,195.70-305,199.24

Finding the Fourth Proportional to 642,124.23, 963,195.70 and 305,199.24

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Solution

The fourth proportional to 642,124.23, 963,195.70 and 305,199.24 is: 457,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,124.23 : 963,195.70 = 305,199.24 : x
  2. Step 2: Convert to fraction form
    642,124.23/963,195.70 = 305,199.24/x
  3. Step 3: Cross multiply
    642,124.23x = 963,195.70 × 305,199.24
  4. Step 4: Simplify right side
    642,124.23x = 293,966,595,611.27
  5. Step 5: Solve for x
    x = 293,966,595,611.27/642,124.23
  6. Step 6: Final answer
    x = 457,803.31

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1.5x scale

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.