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Finding the Fourth Proportional to 607,243.48, 837,991.74 and 335,328.28

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Solution

The fourth proportional to 607,243.48, 837,991.74 and 335,328.28 is: 462,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,243.48 : 837,991.74 = 335,328.28 : x
  2. Step 2: Convert to fraction form
    607,243.48/837,991.74 = 335,328.28/x
  3. Step 3: Cross multiply
    607,243.48x = 837,991.74 × 335,328.28
  4. Step 4: Simplify right side
    607,243.48x = 281,002,328,828.41
  5. Step 5: Solve for x
    x = 281,002,328,828.41/607,243.48
  6. Step 6: Final answer
    x = 462,750.67

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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.