Home / 478,816.11-660,768.23-263,951.46

Finding the Fourth Proportional to 478,816.11, 660,768.23 and 263,951.46

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Solution

The fourth proportional to 478,816.11, 660,768.23 and 263,951.46 is: 364,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,816.11 : 660,768.23 = 263,951.46 : x
  2. Step 2: Convert to fraction form
    478,816.11/660,768.23 = 263,951.46/x
  3. Step 3: Cross multiply
    478,816.11x = 660,768.23 × 263,951.46
  4. Step 4: Simplify right side
    478,816.11x = 174,410,739,689.99
  5. Step 5: Solve for x
    x = 174,410,739,689.99/478,816.11
  6. Step 6: Final answer
    x = 364,254.12

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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.