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Finding the Fourth Proportional to 489,269.40, 733,904.10 and 447,935.10

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Solution

The fourth proportional to 489,269.40, 733,904.10 and 447,935.10 is: 671,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,269.40 : 733,904.10 = 447,935.10 : x
  2. Step 2: Convert to fraction form
    489,269.40/733,904.10 = 447,935.10/x
  3. Step 3: Cross multiply
    489,269.40x = 733,904.10 × 447,935.10
  4. Step 4: Simplify right side
    489,269.40x = 328,741,406,423.91
  5. Step 5: Solve for x
    x = 328,741,406,423.91/489,269.40
  6. Step 6: Final answer
    x = 671,902.65

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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.