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Finding the Fourth Proportional to 489,501.00, 675,554.13 and 285,617.61

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Solution

The fourth proportional to 489,501.00, 675,554.13 and 285,617.61 is: 394,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,501.00 : 675,554.13 = 285,617.61 : x
  2. Step 2: Convert to fraction form
    489,501.00/675,554.13 = 285,617.61/x
  3. Step 3: Cross multiply
    489,501.00x = 675,554.13 × 285,617.61
  4. Step 4: Simplify right side
    489,501.00x = 192,950,156,127.04
  5. Step 5: Solve for x
    x = 192,950,156,127.04/489,501.00
  6. Step 6: Final answer
    x = 394,177.24

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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.