Home / 642,240.42-963,495.90-242,872.36

Finding the Fourth Proportional to 642,240.42, 963,495.90 and 242,872.36

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Solution

The fourth proportional to 642,240.42, 963,495.90 and 242,872.36 is: 364,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,240.42 : 963,495.90 = 242,872.36 : x
  2. Step 2: Convert to fraction form
    642,240.42/963,495.90 = 242,872.36/x
  3. Step 3: Cross multiply
    642,240.42x = 963,495.90 × 242,872.36
  4. Step 4: Simplify right side
    642,240.42x = 234,006,523,083.32
  5. Step 5: Solve for x
    x = 234,006,523,083.32/642,240.42
  6. Step 6: Final answer
    x = 364,359.69

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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.