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Finding the Fourth Proportional to 423,250.40, 634,875.60 and 417,029.60

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Solution

The fourth proportional to 423,250.40, 634,875.60 and 417,029.60 is: 625,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,250.40 : 634,875.60 = 417,029.60 : x
  2. Step 2: Convert to fraction form
    423,250.40/634,875.60 = 417,029.60/x
  3. Step 3: Cross multiply
    423,250.40x = 634,875.60 × 417,029.60
  4. Step 4: Simplify right side
    423,250.40x = 264,761,917,517.76
  5. Step 5: Solve for x
    x = 264,761,917,517.76/423,250.40
  6. Step 6: Final answer
    x = 625,544.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.