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Finding the Fourth Proportional to 475,035.06, 655,553 and 284,048.45

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Solution

The fourth proportional to 475,035.06, 655,553 and 284,048.45 is: 391,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,035.06 : 655,553 = 284,048.45 : x
  2. Step 2: Convert to fraction form
    475,035.06/655,553 = 284,048.45/x
  3. Step 3: Cross multiply
    475,035.06x = 655,553 × 284,048.45
  4. Step 4: Simplify right side
    475,035.06x = 186,208,813,542.85
  5. Step 5: Solve for x
    x = 186,208,813,542.85/475,035.06
  6. Step 6: Final answer
    x = 391,989.62

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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.