Home / 761,622.57-1,051,039.14-422,112.69

Finding the Fourth Proportional to 761,622.57, 1,051,039.14 and 422,112.69

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Solution

The fourth proportional to 761,622.57, 1,051,039.14 and 422,112.69 is: 582,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,622.57 : 1,051,039.14 = 422,112.69 : x
  2. Step 2: Convert to fraction form
    761,622.57/1,051,039.14 = 422,112.69/x
  3. Step 3: Cross multiply
    761,622.57x = 1,051,039.14 × 422,112.69
  4. Step 4: Simplify right side
    761,622.57x = 443,656,951,314.93
  5. Step 5: Solve for x
    x = 443,656,951,314.93/761,622.57
  6. Step 6: Final answer
    x = 582,515.50

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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.