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Finding the Fourth Proportional to 674,522.84, 930,894.63 and 384,146.75

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Solution

The fourth proportional to 674,522.84, 930,894.63 and 384,146.75 is: 530,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,522.84 : 930,894.63 = 384,146.75 : x
  2. Step 2: Convert to fraction form
    674,522.84/930,894.63 = 384,146.75/x
  3. Step 3: Cross multiply
    674,522.84x = 930,894.63 × 384,146.75
  4. Step 4: Simplify right side
    674,522.84x = 357,600,147,593.64
  5. Step 5: Solve for x
    x = 357,600,147,593.64/674,522.84
  6. Step 6: Final answer
    x = 530,152.76

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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.