Home / 842,911.70-1,264,367.55-488,617.70

Finding the Fourth Proportional to 842,911.70, 1,264,367.55 and 488,617.70

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Solution

The fourth proportional to 842,911.70, 1,264,367.55 and 488,617.70 is: 732,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,911.70 : 1,264,367.55 = 488,617.70 : x
  2. Step 2: Convert to fraction form
    842,911.70/1,264,367.55 = 488,617.70/x
  3. Step 3: Cross multiply
    842,911.70x = 1,264,367.55 × 488,617.70
  4. Step 4: Simplify right side
    842,911.70x = 617,792,364,235.64
  5. Step 5: Solve for x
    x = 617,792,364,235.64/842,911.70
  6. Step 6: Final answer
    x = 732,926.55

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Similar ratio
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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.