Home / 648,003.55-972,005.33-488,336.35

Finding the Fourth Proportional to 648,003.55, 972,005.33 and 488,336.35

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Solution

The fourth proportional to 648,003.55, 972,005.33 and 488,336.35 is: 732,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,003.55 : 972,005.33 = 488,336.35 : x
  2. Step 2: Convert to fraction form
    648,003.55/972,005.33 = 488,336.35/x
  3. Step 3: Cross multiply
    648,003.55x = 972,005.33 × 488,336.35
  4. Step 4: Simplify right side
    648,003.55x = 474,665,532,591.06
  5. Step 5: Solve for x
    x = 474,665,532,591.06/648,003.55
  6. Step 6: Final answer
    x = 732,504.53

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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.