Home / 913,574.76-1,260,735.57-505,704.73

Finding the Fourth Proportional to 913,574.76, 1,260,735.57 and 505,704.73

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Solution

The fourth proportional to 913,574.76, 1,260,735.57 and 505,704.73 is: 697,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,574.76 : 1,260,735.57 = 505,704.73 : x
  2. Step 2: Convert to fraction form
    913,574.76/1,260,735.57 = 505,704.73/x
  3. Step 3: Cross multiply
    913,574.76x = 1,260,735.57 × 505,704.73
  4. Step 4: Simplify right side
    913,574.76x = 637,559,936,612.15
  5. Step 5: Solve for x
    x = 637,559,936,612.15/913,574.76
  6. Step 6: Final answer
    x = 697,873.85

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Double scale
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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.