Home / 298,049.10-447,073.65-284,225.10

Finding the Fourth Proportional to 298,049.10, 447,073.65 and 284,225.10

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Solution

The fourth proportional to 298,049.10, 447,073.65 and 284,225.10 is: 426,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,049.10 : 447,073.65 = 284,225.10 : x
  2. Step 2: Convert to fraction form
    298,049.10/447,073.65 = 284,225.10/x
  3. Step 3: Cross multiply
    298,049.10x = 447,073.65 × 284,225.10
  4. Step 4: Simplify right side
    298,049.10x = 127,069,552,878.62
  5. Step 5: Solve for x
    x = 127,069,552,878.62/298,049.10
  6. Step 6: Final answer
    x = 426,337.65

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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.