Home / 666,752.19-1,000,784.39-488,752.26

Finding the Fourth Proportional to 666,752.19, 1,000,784.39 and 488,752.26

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Solution

The fourth proportional to 666,752.19, 1,000,784.39 and 488,752.26 is: 733,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,752.19 : 1,000,784.39 = 488,752.26 : x
  2. Step 2: Convert to fraction form
    666,752.19/1,000,784.39 = 488,752.26/x
  3. Step 3: Cross multiply
    666,752.19x = 1,000,784.39 × 488,752.26
  4. Step 4: Simplify right side
    666,752.19x = 489,135,629,941.46
  5. Step 5: Solve for x
    x = 489,135,629,941.46/666,752.19
  6. Step 6: Final answer
    x = 733,609.33

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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.