Home / 935,906.40-1,403,859.60-304,820.21

Finding the Fourth Proportional to 935,906.40, 1,403,859.60 and 304,820.21

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Solution

The fourth proportional to 935,906.40, 1,403,859.60 and 304,820.21 is: 457,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,906.40 : 1,403,859.60 = 304,820.21 : x
  2. Step 2: Convert to fraction form
    935,906.40/1,403,859.60 = 304,820.21/x
  3. Step 3: Cross multiply
    935,906.40x = 1,403,859.60 × 304,820.21
  4. Step 4: Simplify right side
    935,906.40x = 427,924,781,592.17
  5. Step 5: Solve for x
    x = 427,924,781,592.17/935,906.40
  6. Step 6: Final answer
    x = 457,230.32

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Double scale
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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.