Home / 761,093.76-1,050,309.38-421,583.88

Finding the Fourth Proportional to 761,093.76, 1,050,309.38 and 421,583.88

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Solution

The fourth proportional to 761,093.76, 1,050,309.38 and 421,583.88 is: 581,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,093.76 : 1,050,309.38 = 421,583.88 : x
  2. Step 2: Convert to fraction form
    761,093.76/1,050,309.38 = 421,583.88/x
  3. Step 3: Cross multiply
    761,093.76x = 1,050,309.38 × 421,583.88
  4. Step 4: Simplify right side
    761,093.76x = 442,793,503,620.79
  5. Step 5: Solve for x
    x = 442,793,503,620.79/761,093.76
  6. Step 6: Final answer
    x = 581,785.75

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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.