Home / 993,155.73-1,489,881.81-460,730.57

Finding the Fourth Proportional to 993,155.73, 1,489,881.81 and 460,730.57

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Solution

The fourth proportional to 993,155.73, 1,489,881.81 and 460,730.57 is: 691,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,155.73 : 1,489,881.81 = 460,730.57 : x
  2. Step 2: Convert to fraction form
    993,155.73/1,489,881.81 = 460,730.57/x
  3. Step 3: Cross multiply
    993,155.73x = 1,489,881.81 × 460,730.57
  4. Step 4: Simplify right side
    993,155.73x = 686,434,093,250.28
  5. Step 5: Solve for x
    x = 686,434,093,250.28/993,155.73
  6. Step 6: Final answer
    x = 691,164.61

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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.