Home / 478,910.40-660,895.79-264,053.85

Finding the Fourth Proportional to 478,910.40, 660,895.79 and 264,053.85

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Solution

The fourth proportional to 478,910.40, 660,895.79 and 264,053.85 is: 364,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,910.40 : 660,895.79 = 264,053.85 : x
  2. Step 2: Convert to fraction form
    478,910.40/660,895.79 = 264,053.85/x
  3. Step 3: Cross multiply
    478,910.40x = 660,895.79 × 264,053.85
  4. Step 4: Simplify right side
    478,910.40x = 174,512,076,478.02
  5. Step 5: Solve for x
    x = 174,512,076,478.02/478,910.40
  6. Step 6: Final answer
    x = 364,394.00

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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.