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Finding the Fourth Proportional to 654,654.88, 903,288.33 and 382,670.17

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Solution

The fourth proportional to 654,654.88, 903,288.33 and 382,670.17 is: 528,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,654.88 : 903,288.33 = 382,670.17 : x
  2. Step 2: Convert to fraction form
    654,654.88/903,288.33 = 382,670.17/x
  3. Step 3: Cross multiply
    654,654.88x = 903,288.33 × 382,670.17
  4. Step 4: Simplify right side
    654,654.88x = 345,661,496,541.90
  5. Step 5: Solve for x
    x = 345,661,496,541.90/654,654.88
  6. Step 6: Final answer
    x = 528,005.68

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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.