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Finding the Fourth Proportional to 569,113.95, 784,492.48 and 387,513.67

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Solution

The fourth proportional to 569,113.95, 784,492.48 and 387,513.67 is: 534,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,113.95 : 784,492.48 = 387,513.67 : x
  2. Step 2: Convert to fraction form
    569,113.95/784,492.48 = 387,513.67/x
  3. Step 3: Cross multiply
    569,113.95x = 784,492.48 × 387,513.67
  4. Step 4: Simplify right side
    569,113.95x = 304,001,560,006.29
  5. Step 5: Solve for x
    x = 304,001,560,006.29/569,113.95
  6. Step 6: Final answer
    x = 534,166.42

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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.