Home / 456,733.80-684,116.55-378,001.80

Finding the Fourth Proportional to 456,733.80, 684,116.55 and 378,001.80

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Solution

The fourth proportional to 456,733.80, 684,116.55 and 378,001.80 is: 566,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,733.80 : 684,116.55 = 378,001.80 : x
  2. Step 2: Convert to fraction form
    456,733.80/684,116.55 = 378,001.80/x
  3. Step 3: Cross multiply
    456,733.80x = 684,116.55 × 378,001.80
  4. Step 4: Simplify right side
    456,733.80x = 258,597,287,309.79
  5. Step 5: Solve for x
    x = 258,597,287,309.79/456,733.80
  6. Step 6: Final answer
    x = 566,188.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.