Home / 890,666.50-1,229,197.54-488,336.26

Finding the Fourth Proportional to 890,666.50, 1,229,197.54 and 488,336.26

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Solution

The fourth proportional to 890,666.50, 1,229,197.54 and 488,336.26 is: 673,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,666.50 : 1,229,197.54 = 488,336.26 : x
  2. Step 2: Convert to fraction form
    890,666.50/1,229,197.54 = 488,336.26/x
  3. Step 3: Cross multiply
    890,666.50x = 1,229,197.54 × 488,336.26
  4. Step 4: Simplify right side
    890,666.50x = 600,261,729,484.80
  5. Step 5: Solve for x
    x = 600,261,729,484.80/890,666.50
  6. Step 6: Final answer
    x = 673,946.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.