Home / 907,120.11-1,361,520.92-458,156.26

Finding the Fourth Proportional to 907,120.11, 1,361,520.92 and 458,156.26

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Solution

The fourth proportional to 907,120.11, 1,361,520.92 and 458,156.26 is: 687,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,120.11 : 1,361,520.92 = 458,156.26 : x
  2. Step 2: Convert to fraction form
    907,120.11/1,361,520.92 = 458,156.26/x
  3. Step 3: Cross multiply
    907,120.11x = 1,361,520.92 × 458,156.26
  4. Step 4: Simplify right side
    907,120.11x = 623,789,330,328.18
  5. Step 5: Solve for x
    x = 623,789,330,328.18/907,120.11
  6. Step 6: Final answer
    x = 687,659.03

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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.