Home / 734,021.08-1,013,062.62-411,861.40

Finding the Fourth Proportional to 734,021.08, 1,013,062.62 and 411,861.40

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Solution

The fourth proportional to 734,021.08, 1,013,062.62 and 411,861.40 is: 568,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,021.08 : 1,013,062.62 = 411,861.40 : x
  2. Step 2: Convert to fraction form
    734,021.08/1,013,062.62 = 411,861.40/x
  3. Step 3: Cross multiply
    734,021.08x = 1,013,062.62 × 411,861.40
  4. Step 4: Simplify right side
    734,021.08x = 417,241,388,960.87
  5. Step 5: Solve for x
    x = 417,241,388,960.87/734,021.08
  6. Step 6: Final answer
    x = 568,432.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.