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Finding the Fourth Proportional to 684,950.96, 945,207.88 and 379,022.04

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Solution

The fourth proportional to 684,950.96, 945,207.88 and 379,022.04 is: 523,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,950.96 : 945,207.88 = 379,022.04 : x
  2. Step 2: Convert to fraction form
    684,950.96/945,207.88 = 379,022.04/x
  3. Step 3: Cross multiply
    684,950.96x = 945,207.88 × 379,022.04
  4. Step 4: Simplify right side
    684,950.96x = 358,254,618,901.68
  5. Step 5: Solve for x
    x = 358,254,618,901.68/684,950.96
  6. Step 6: Final answer
    x = 523,036.89

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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.