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Finding the Fourth Proportional to 478,911.96, 660,901.23 and 264,048.30

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Solution

The fourth proportional to 478,911.96, 660,901.23 and 264,048.30 is: 364,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,911.96 : 660,901.23 = 264,048.30 : x
  2. Step 2: Convert to fraction form
    478,911.96/660,901.23 = 264,048.30/x
  3. Step 3: Cross multiply
    478,911.96x = 660,901.23 × 264,048.30
  4. Step 4: Simplify right side
    478,911.96x = 174,509,846,249.41
  5. Step 5: Solve for x
    x = 174,509,846,249.41/478,911.96
  6. Step 6: Final answer
    x = 364,388.16

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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.