Home / 478,631.08-660,524.73-263,784.98

Finding the Fourth Proportional to 478,631.08, 660,524.73 and 263,784.98

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Solution

The fourth proportional to 478,631.08, 660,524.73 and 263,784.98 is: 364,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,631.08 : 660,524.73 = 263,784.98 : x
  2. Step 2: Convert to fraction form
    478,631.08/660,524.73 = 263,784.98/x
  3. Step 3: Cross multiply
    478,631.08x = 660,524.73 × 263,784.98
  4. Step 4: Simplify right side
    478,631.08x = 174,236,501,496.95
  5. Step 5: Solve for x
    x = 174,236,501,496.95/478,631.08
  6. Step 6: Final answer
    x = 364,030.90

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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.