Home / 628,002.20-942,003.30-606,350.90

Finding the Fourth Proportional to 628,002.20, 942,003.30 and 606,350.90

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Solution

The fourth proportional to 628,002.20, 942,003.30 and 606,350.90 is: 909,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,002.20 : 942,003.30 = 606,350.90 : x
  2. Step 2: Convert to fraction form
    628,002.20/942,003.30 = 606,350.90/x
  3. Step 3: Cross multiply
    628,002.20x = 942,003.30 × 606,350.90
  4. Step 4: Simplify right side
    628,002.20x = 571,184,548,757.97
  5. Step 5: Solve for x
    x = 571,184,548,757.97/628,002.20
  6. Step 6: Final answer
    x = 909,526.35

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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.