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Finding the Fourth Proportional to 445,510.48, 614,749.36 and 284,459.80

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Solution

The fourth proportional to 445,510.48, 614,749.36 and 284,459.80 is: 392,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,510.48 : 614,749.36 = 284,459.80 : x
  2. Step 2: Convert to fraction form
    445,510.48/614,749.36 = 284,459.80/x
  3. Step 3: Cross multiply
    445,510.48x = 614,749.36 × 284,459.80
  4. Step 4: Simplify right side
    445,510.48x = 174,871,479,995.73
  5. Step 5: Solve for x
    x = 174,871,479,995.73/445,510.48
  6. Step 6: Final answer
    x = 392,519.34

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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.