Home / 664,746.54-997,261.56-304,743.66

Finding the Fourth Proportional to 664,746.54, 997,261.56 and 304,743.66

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Solution

The fourth proportional to 664,746.54, 997,261.56 and 304,743.66 is: 457,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,746.54 : 997,261.56 = 304,743.66 : x
  2. Step 2: Convert to fraction form
    664,746.54/997,261.56 = 304,743.66/x
  3. Step 3: Cross multiply
    664,746.54x = 997,261.56 × 304,743.66
  4. Step 4: Simplify right side
    664,746.54x = 303,909,137,771.71
  5. Step 5: Solve for x
    x = 303,909,137,771.71/664,746.54
  6. Step 6: Final answer
    x = 457,180.47

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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.