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Finding the Fourth Proportional to 662,290.84, 913,936 and 375,793.84

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Solution

The fourth proportional to 662,290.84, 913,936 and 375,793.84 is: 518,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,290.84 : 913,936 = 375,793.84 : x
  2. Step 2: Convert to fraction form
    662,290.84/913,936 = 375,793.84/x
  3. Step 3: Cross multiply
    662,290.84x = 913,936 × 375,793.84
  4. Step 4: Simplify right side
    662,290.84x = 343,451,518,954.24
  5. Step 5: Solve for x
    x = 343,451,518,954.24/662,290.84
  6. Step 6: Final answer
    x = 518,581.11

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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.