Home / 948,302.76-1,422,455.40-387,337.44

Finding the Fourth Proportional to 948,302.76, 1,422,455.40 and 387,337.44

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Solution

The fourth proportional to 948,302.76, 1,422,455.40 and 387,337.44 is: 581,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,302.76 : 1,422,455.40 = 387,337.44 : x
  2. Step 2: Convert to fraction form
    948,302.76/1,422,455.40 = 387,337.44/x
  3. Step 3: Cross multiply
    948,302.76x = 1,422,455.40 × 387,337.44
  4. Step 4: Simplify right side
    948,302.76x = 550,970,233,150.18
  5. Step 5: Solve for x
    x = 550,970,233,150.18/948,302.76
  6. Step 6: Final answer
    x = 581,006.67

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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.