Home / 628,003.60-942,005.40-622,098.70

Finding the Fourth Proportional to 628,003.60, 942,005.40 and 622,098.70

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Solution

The fourth proportional to 628,003.60, 942,005.40 and 622,098.70 is: 933,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,003.60 : 942,005.40 = 622,098.70 : x
  2. Step 2: Convert to fraction form
    628,003.60/942,005.40 = 622,098.70/x
  3. Step 3: Cross multiply
    628,003.60x = 942,005.40 × 622,098.70
  4. Step 4: Simplify right side
    628,003.60x = 586,020,334,732.98
  5. Step 5: Solve for x
    x = 586,020,334,732.98/628,003.60
  6. Step 6: Final answer
    x = 933,148.05

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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.