Home / 787,305.67-1,180,255.21-307,421.82

Finding the Fourth Proportional to 787,305.67, 1,180,255.21 and 307,421.82

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Solution

The fourth proportional to 787,305.67, 1,180,255.21 and 307,421.82 is: 460,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,305.67 : 1,180,255.21 = 307,421.82 : x
  2. Step 2: Convert to fraction form
    787,305.67/1,180,255.21 = 307,421.82/x
  3. Step 3: Cross multiply
    787,305.67x = 1,180,255.21 × 307,421.82
  4. Step 4: Simplify right side
    787,305.67x = 362,836,211,924.77
  5. Step 5: Solve for x
    x = 362,836,211,924.77/787,305.67
  6. Step 6: Final answer
    x = 460,858.12

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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.