Home / 447,484.84-671,473.32-210,821.38

Finding the Fourth Proportional to 447,484.84, 671,473.32 and 210,821.38

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Solution

The fourth proportional to 447,484.84, 671,473.32 and 210,821.38 is: 316,348.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,484.84 : 671,473.32 = 210,821.38 : x
  2. Step 2: Convert to fraction form
    447,484.84/671,473.32 = 210,821.38/x
  3. Step 3: Cross multiply
    447,484.84x = 671,473.32 × 210,821.38
  4. Step 4: Simplify right side
    447,484.84x = 141,560,931,955.58
  5. Step 5: Solve for x
    x = 141,560,931,955.58/447,484.84
  6. Step 6: Final answer
    x = 316,348.00

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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.